-lmingw32 is necessary in the link line before -lSDLmain, otherwise WinMain in libSDLmain.a won't get linked in

If this happens you'll get "undefined reference to `_WinMain@16'" when trying to link applications that use SDL.

--HG--
branch : SDL-1.2

configure.in

@@ -2551,7 +2551,7 @@ case "$host" in
         SDLMAIN_SOURCES="$srcdir/src/main/win32/*.c"
         SDLMAIN_LDFLAGS="-static"
         SDL_CFLAGS="$SDL_CFLAGS -Dmain=SDL_main"
-        SDL_LIBS="-lSDLmain $SDL_LIBS -mwindows"
+        SDL_LIBS="-lmingw32 -lSDLmain $SDL_LIBS -mwindows"
         ;;
     *-wince*)
         ARCH=win32