[gtk+] Undef USE_MMX for msvc build

[Hans Breuer <hans src gnome org>]

commit bff092a0d589eba505f81c22ee5e6730ff8a3613
Author: Hans Breuer <hans breuer org>
Date:   Sat Jul 4 11:58:27 2009 +0200

    Undef USE_MMX for msvc build

 config.h.win32.in |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/config.h.win32.in b/config.h.win32.in
index 4b0bb0f..c3eea4e 100644
--- a/config.h.win32.in
+++ b/config.h.win32.in
@@ -269,7 +269,11 @@
 /* #undef USE_MEDIALIB25 */
 
 /* Define to 1 if XXM is available and should be used */
-#define USE_MMX 1
+#ifndef _MSC_VER
+#  define USE_MMX 1
+#else
+#  undef USE_MMX
+#endif
 
 /* Define to 1 if no XInput should be used */
 /* #undef XINPUT_NONE */