Index: intern/ghost/intern/GHOST_SizerWin32.cpp
===================================================================
--- intern/ghost/intern/GHOST_SizerWin32.cpp	(revision 56001)
+++ intern/ghost/intern/GHOST_SizerWin32.cpp	(working copy)
@@ -32,7 +32,7 @@
 
 
 #include "GHOST_SizerWin32.h"
-#include <Windowsx.h>
+#include <windowsx.h>
 
 #define T_NONE (0)
 #define T_SIZE (1)