Revert changes relative to lib/*.[ch] recent renaming

This reverts renaming and usage of lib/*.h header files done
28-12-2012, reverting 2 commits:

  f871de0... build: make use of 76 lib/*.h renamed files
  ffd8e12... build: rename 76 lib/*.h files

This also reverts removal of redundant include guard (redundant thanks
to changes in above commits) done 2-12-2013, reverting 1 commit:

  c087374... curl_setup.h: remove redundant include guard

This also reverts renaming and usage of lib/*.c source files done
3-12-2013, reverting 3 commits:

  13606bb... build: make use of 93 lib/*.c renamed files
  5b6e792... build: rename 93 lib/*.c files
  7d83dff... build: commit 13606bbfde follow-up 1

Start of related discussion thread:

  http://curl.haxx.se/mail/lib-2013-01/0012.html

Asking for confirmation on pushing this revertion commit:

  http://curl.haxx.se/mail/lib-2013-01/0048.html

Confirmation summary:

  http://curl.haxx.se/mail/lib-2013-01/0079.html

NOTICE: The list of 2 files that have been modified by other
intermixed commits, while renamed, and also by at least one
of the 6 commits this one reverts follows below. These 2 files
will exhibit a hole in history unless git's '--follow' option
is used when viewing logs.

  lib/curl_imap.h
  lib/curl_smtp.h

1 files changed, 0 insertions, 58 deletions

diff --git a/lib/curl_wildcard.h b/lib/curl_wildcard.h
deleted file mode 100644
index 8f732d106..000000000
--- a/lib/curl_wildcard.h
+++ /dev/null
@@ -1,58 +0,0 @@
-#ifndef HEADER_CURL_WILDCARD_H
-#define HEADER_CURL_WILDCARD_H
-/***************************************************************************
- *                                  _   _ ____  _
- *  Project                     ___| | | |  _ \| |
- *                             / __| | | | |_) | |
- *                            | (__| |_| |  _ <| |___
- *                             \___|\___/|_| \_\_____|
- *
- * Copyright (C) 2010, Daniel Stenberg, <daniel@haxx.se>, et al.
- *
- * This software is licensed as described in the file COPYING, which
- * you should have received as part of this distribution. The terms
- * are also available at http://curl.haxx.se/docs/copyright.html.
- *
- * You may opt to use, copy, modify, merge, publish, distribute and/or sell
- * copies of the Software, and permit persons to whom the Software is
- * furnished to do so, under the terms of the COPYING file.
- *
- * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
- * KIND, either express or implied.
- *
- ***************************************************************************/
-
-#include <curl/curl.h>
-
-/* list of wildcard process states */
-typedef enum {
-  CURLWC_INIT = 0,
-  CURLWC_MATCHING, /* library is trying to get list of addresses for
-                      downloading */
-  CURLWC_DOWNLOADING,
-  CURLWC_CLEAN, /* deallocate resources and reset settings */
-  CURLWC_SKIP,  /* skip over concrete file */
-  CURLWC_ERROR, /* error cases */
-  CURLWC_DONE   /* if is wildcard->state == CURLWC_DONE wildcard loop in
-                   Curl_perform() will end */
-} curl_wildcard_states;
-
-typedef void (*curl_wildcard_tmp_dtor)(void *ptr);
-
-/* struct keeping information about wildcard download process */
-struct WildcardData {
-  curl_wildcard_states state;
-  char *path; /* path to the directory, where we trying wildcard-match */
-  char *pattern; /* wildcard pattern */
-  struct curl_llist *filelist; /* llist with struct Curl_fileinfo */
-  void *tmp; /* pointer to protocol specific temporary data */
-  curl_wildcard_tmp_dtor tmp_dtor;
-  void *customptr;  /* for CURLOPT_CHUNK_DATA pointer */
-};
-
-CURLcode Curl_wildcard_init(struct WildcardData *wc);
-void Curl_wildcard_dtor(struct WildcardData *wc);
-
-struct SessionHandle;
-
-#endif /* HEADER_CURL_WILDCARD_H */