diff -r 000000000000 -r 76b1f169d9fe mingw-5.1.4/win32/include/initguid.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mingw-5.1.4/win32/include/initguid.h	Fri Apr 03 17:16:45 2009 +0100
@@ -0,0 +1,12 @@
+#ifndef _INITGUID_H
+#define _INITGUID_H
+#if __GNUC__ >=3
+#pragma GCC system_header
+#endif
+
+#ifndef DEFINE_GUID
+#include <basetyps.h>
+#endif
+#undef DEFINE_GUID
+#define DEFINE_GUID(n,l,w1,w2,b1,b2,b3,b4,b5,b6,b7,b8) GUID_EXT const GUID n GUID_SECT = {l,w1,w2,{b1,b2,b3,b4,b5,b6,b7,b8}}
+#endif