lib/Support/Windows/Windows.h: Update required IE ver. 0x0600 should be enough for Windows XP.

llvm-svn: 138319

Author: chapuni

llvm/lib/Support/Windows/Windows.h

@@ -21,7 +21,7 @@
 
 // Require at least Windows XP(5.1) API.
 #define _WIN32_WINNT 0x0501
-#define _WIN32_IE    0x0500 // MinGW at it again.
+#define _WIN32_IE    0x0600 // MinGW at it again.
 #define WIN32_LEAN_AND_MEAN
 
 #include "llvm/Config/config.h" // Get build system configuration settings