[Bf-blender-cvs] [60cef1a] soc-2014-viewport_context: remove stdlib include from glew-mx & ensure bad args aren't passed into mxSetContext, mxDestroyContext

[Campbell Barton]

Commit: 60cef1a6cb40182c5f87b2943b741ce155ef1e0d
Author: Campbell Barton
Date:   Thu Jul 24 18:23:00 2014 +1000
Branches: soc-2014-viewport_context
https://developer.blender.org/rB60cef1a6cb40182c5f87b2943b741ce155ef1e0d

remove stdlib include from glew-mx & ensure bad args aren't passed into mxSetContext, mxDestroyContext

===================================================================

M	intern/glew-mx/glew-mx.h

===================================================================

diff --git a/intern/glew-mx/glew-mx.h b/intern/glew-mx/glew-mx.h
index 2af7f22..5af9773 100644
--- a/intern/glew-mx/glew-mx.h
+++ b/intern/glew-mx/glew-mx.h
@@ -58,11 +58,10 @@ void mxDestroyContext(GLEWContext* ctx);
 
 #else
 
-#include <stdlib.h>  /* for NULL */
-
-#define mxSetContext(ctx)
-#define mxCreateContext() NULL
-#define mxDestroyContext(ctx)
+/* don't use NULL here (mightn't be defined)*/
+#define mxSetContext(ctx)       ((void)ctx)
+#define mxCreateContext()       ((void *)0)
+#define mxDestroyContext(ctx)   ((void)ctx)
 
 #endif  /* GLEW_MX */