required MinGW libs (Fluidsynth is always enabled)

configure.ac

@@ -1162,8 +1162,9 @@ dnl so SDL_net, fluidsynth and libslirp successfully link to them
 if test x$enable_emscripten != xyes; then
 case "$host" in
     *-*-cygwin* | *-*-mingw32*)
-       if test x$have_sdl_net = xyes -o x$enable_libfluidsynth = xyes -o x$have_slirp = xyes; then
-         LIBS="$LIBS -lwsock32 -lws2_32 -lwinspool -lshlwapi -liphlpapi"
+       LIBS="$LIBS -lwsock32 -lws2_32 -liphlpapi -lshlwapi"
+       if test x$enable_freetype = xyes; then
+         LIBS="$LIBS -lfreetype -lwinspool"
        fi
     ;;
 esac