build: Changed the Visual Studio projects warning level from 3 to 4

After squashing most of our compiler warnings, up'ed the default
warning level from 3 to 4 in order to increase the likelyhood of
catching future warnings.

2 files changed, 48 insertions, 48 deletions

diff --git a/projects/Windows/VC7.1/lib/libcurl.tmpl b/projects/Windows/VC7.1/lib/libcurl.tmpl
index 054a74790..ee17b4b7a 100644
--- a/projects/Windows/VC7.1/lib/libcurl.tmpl
+++ b/projects/Windows/VC7.1/lib/libcurl.tmpl
@@ -27,7 +27,7 @@
 				StringPooling="TRUE"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="TRUE"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				CompileAs="0"/>
 			<Tool
@@ -84,7 +84,7 @@
 				PreprocessorDefinitions="_DEBUG;BUILDING_LIBCURL;DEBUGBUILD;USE_OPENSSL"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				DebugInformationFormat="3"
 				CompileAs="0"/>
@@ -143,7 +143,7 @@
 				PreprocessorDefinitions="_DEBUG;BUILDING_LIBCURL;DEBUGBUILD"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				DebugInformationFormat="3"
 				CompileAs="0"/>
@@ -202,7 +202,7 @@
 				StringPooling="TRUE"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="TRUE"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				CompileAs="0"/>
 			<Tool
@@ -248,7 +248,7 @@
 				PreprocessorDefinitions="_DEBUG;BUILDING_LIBCURL;DEBUGBUILD;CURL_STATICLIB;USE_OPENSSL;USE_LIBSSH2;HAVE_LIBSSH2_H"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				DebugInformationFormat="3"
 				CompileAs="0"/>
@@ -296,7 +296,7 @@
 				StringPooling="TRUE"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="TRUE"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				CompileAs="0"/>
 			<Tool
@@ -352,7 +352,7 @@
 				PreprocessorDefinitions="_DEBUG;BUILDING_LIBCURL;DEBUGBUILD;CURL_STATICLIB;USE_OPENSSL;USE_LIBSSH2;HAVE_LIBSSH2_H"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				DebugInformationFormat="3"
 				CompileAs="0"/>
@@ -399,7 +399,7 @@
 				PreprocessorDefinitions="_DEBUG;BUILDING_LIBCURL;DEBUGBUILD;CURL_STATICLIB;USE_WINDOWS_SSPI;USE_SCHANNEL"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				DebugInformationFormat="3"
 				CompileAs="0"/>
@@ -446,7 +446,7 @@
 				PreprocessorDefinitions="_DEBUG;BUILDING_LIBCURL;DEBUGBUILD;CURL_STATICLIB;USE_OPENSSL"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				DebugInformationFormat="3"
 				CompileAs="0"/>
@@ -494,7 +494,7 @@
 				StringPooling="TRUE"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="TRUE"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				CompileAs="0"/>
 			<Tool
@@ -550,7 +550,7 @@
 				PreprocessorDefinitions="_DEBUG;BUILDING_LIBCURL;DEBUGBUILD;USE_WINDOWS_SSPI;USE_SCHANNEL"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				DebugInformationFormat="3"
 				CompileAs="0"/>
@@ -609,7 +609,7 @@
 				StringPooling="TRUE"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="TRUE"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				CompileAs="0"/>
 			<Tool
@@ -656,7 +656,7 @@
 				StringPooling="TRUE"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="TRUE"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				CompileAs="0"/>
 			<Tool
@@ -714,7 +714,7 @@
 				StringPooling="TRUE"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="TRUE"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				CompileAs="0"/>
 			<Tool
@@ -761,7 +761,7 @@
 				StringPooling="TRUE"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="TRUE"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				CompileAs="0"/>
 			<Tool
@@ -808,7 +808,7 @@
 				StringPooling="TRUE"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="TRUE"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				CompileAs="0"/>
 			<Tool
@@ -855,7 +855,7 @@
 				StringPooling="TRUE"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="TRUE"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				CompileAs="0"/>
 			<Tool
@@ -901,7 +901,7 @@
 				PreprocessorDefinitions="_DEBUG;BUILDING_LIBCURL;DEBUGBUILD;CURL_STATICLIB"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				DebugInformationFormat="3"
 				CompileAs="0"/>
@@ -948,7 +948,7 @@
 				PreprocessorDefinitions="_DEBUG;BUILDING_LIBCURL;DEBUGBUILD;USE_OPENSSL;USE_LIBSSH2;HAVE_LIBSSH2_H"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				DebugInformationFormat="3"
 				CompileAs="0"/>
@@ -1007,7 +1007,7 @@
 				PreprocessorDefinitions="_DEBUG;BUILDING_LIBCURL;DEBUGBUILD;CURL_STATICLIB;USE_OPENSSL"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				DebugInformationFormat="3"
 				CompileAs="0"/>
@@ -1054,7 +1054,7 @@
 				PreprocessorDefinitions="_DEBUG;BUILDING_LIBCURL;DEBUGBUILD;USE_WINDOWS_SSPI;USE_SCHANNEL;USE_WIN32_IDN;WANT_IDN_PROTOTYPES"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				DebugInformationFormat="3"
 				CompileAs="0"/>
@@ -1113,7 +1113,7 @@
 				StringPooling="TRUE"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="TRUE"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				CompileAs="0"/>
 			<Tool
@@ -1169,7 +1169,7 @@
 				PreprocessorDefinitions="_DEBUG;BUILDING_LIBCURL;DEBUGBUILD;CURL_STATICLIB;USE_WINDOWS_SSPI;USE_SCHANNEL;USE_WIN32_IDN;WANT_IDN_PROTOTYPES"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				DebugInformationFormat="3"
 				CompileAs="0"/>
@@ -1217,7 +1217,7 @@
 				StringPooling="TRUE"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="TRUE"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				CompileAs="0"/>
 			<Tool
diff --git a/projects/Windows/VC7.1/src/curl.tmpl b/projects/Windows/VC7.1/src/curl.tmpl
index 043c03a90..98c081259 100644
--- a/projects/Windows/VC7.1/src/curl.tmpl
+++ b/projects/Windows/VC7.1/src/curl.tmpl
@@ -26,7 +26,7 @@
 				StringPooling="TRUE"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="TRUE"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				CompileAs="0"/>
 			<Tool
@@ -81,7 +81,7 @@
 				StringPooling="TRUE"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="TRUE"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				CompileAs="0"/>
 			<Tool
@@ -136,7 +136,7 @@
 				StringPooling="TRUE"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="TRUE"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				CompileAs="0"/>
 			<Tool
@@ -190,7 +190,7 @@
 				PreprocessorDefinitions="_DEBUG;_CONSOLE;DEBUGBUILD;CURL_STATICLIB"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				DebugInformationFormat="3"
 				CompileAs="0"/>
@@ -247,7 +247,7 @@
 				PreprocessorDefinitions="_DEBUG;_CONSOLE;DEBUGBUILD;CURL_STATICLIB"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				DebugInformationFormat="3"
 				CompileAs="0"/>
@@ -304,7 +304,7 @@
 				PreprocessorDefinitions="_DEBUG;_CONSOLE;DEBUGBUILD"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				DebugInformationFormat="3"
 				CompileAs="0"/>
@@ -361,7 +361,7 @@
 				PreprocessorDefinitions="_DEBUG;_CONSOLE;DEBUGBUILD;CURL_STATICLIB"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				DebugInformationFormat="3"
 				CompileAs="0"/>
@@ -419,7 +419,7 @@
 				StringPooling="TRUE"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="TRUE"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				CompileAs="0"/>
 			<Tool
@@ -474,7 +474,7 @@
 				StringPooling="TRUE"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="TRUE"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				CompileAs="0"/>
 			<Tool
@@ -529,7 +529,7 @@
 				StringPooling="TRUE"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="TRUE"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				CompileAs="0"/>
 			<Tool
@@ -584,7 +584,7 @@
 				StringPooling="TRUE"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="TRUE"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				CompileAs="0"/>
 			<Tool
@@ -638,7 +638,7 @@
 				PreprocessorDefinitions="_DEBUG;_CONSOLE;DEBUGBUILD;CURL_STATICLIB"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				DebugInformationFormat="3"
 				CompileAs="0"/>
@@ -695,7 +695,7 @@
 				PreprocessorDefinitions="_DEBUG;_CONSOLE;DEBUGBUILD;CURL_STATICLIB"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				DebugInformationFormat="3"
 				CompileAs="0"/>
@@ -752,7 +752,7 @@
 				PreprocessorDefinitions="_DEBUG;_CONSOLE;DEBUGBUILD"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				DebugInformationFormat="3"
 				CompileAs="0"/>
@@ -810,7 +810,7 @@
 				StringPooling="TRUE"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="TRUE"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				CompileAs="0"/>
 			<Tool
@@ -865,7 +865,7 @@
 				StringPooling="TRUE"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="TRUE"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				CompileAs="0"/>
 			<Tool
@@ -919,7 +919,7 @@
 				PreprocessorDefinitions="_DEBUG;_CONSOLE;DEBUGBUILD"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				DebugInformationFormat="3"
 				CompileAs="0"/>
@@ -976,7 +976,7 @@
 				PreprocessorDefinitions="_DEBUG;_CONSOLE;DEBUGBUILD;CURL_STATICLIB"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				DebugInformationFormat="3"
 				CompileAs="0"/>
@@ -1034,7 +1034,7 @@
 				StringPooling="TRUE"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="TRUE"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				CompileAs="0"/>
 			<Tool
@@ -1088,7 +1088,7 @@
 				PreprocessorDefinitions="_DEBUG;_CONSOLE;DEBUGBUILD"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				DebugInformationFormat="3"
 				CompileAs="0"/>
@@ -1145,7 +1145,7 @@
 				PreprocessorDefinitions="_DEBUG;_CONSOLE;DEBUGBUILD"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				DebugInformationFormat="3"
 				CompileAs="0"/>
@@ -1203,7 +1203,7 @@
 				StringPooling="TRUE"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="TRUE"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				CompileAs="0"/>
 			<Tool
@@ -1257,7 +1257,7 @@
 				PreprocessorDefinitions="_DEBUG;_CONSOLE;DEBUGBUILD;CURL_STATICLIB"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				DebugInformationFormat="3"
 				CompileAs="0"/>
@@ -1315,7 +1315,7 @@
 				StringPooling="TRUE"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="TRUE"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="TRUE"
 				CompileAs="0"/>
 			<Tool