silence compiler warnings for mingw win32 builds --enable-debug

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/ftp.c b/lib/ftp.c
index 8ad00d440..526ff56ae 100644
--- a/lib/ftp.c
+++ b/lib/ftp.c
@@ -1062,7 +1062,7 @@ static CURLcode ftp_state_use_port(struct connectdata *conn,
       /* we set the secondary socket variable to this for now, it
          is only so that the cleanup function will close it in case
          we fail before the true secondary stuff is made */
-      if(-1 != conn->sock[SECONDARYSOCKET])
+      if(CURL_SOCKET_BAD != conn->sock[SECONDARYSOCKET])
         sclose(conn->sock[SECONDARYSOCKET]);
       conn->sock[SECONDARYSOCKET] = portsock;