Index: src/chext/StdAfx.h
===================================================================
diff -u -N -ra27d1acf1bda3c25b6dcce0d0eb0278009ce63ae -r2f696d06139af4d0fab14dd1613507b66f5169cb
--- src/chext/StdAfx.h	(.../StdAfx.h)	(revision a27d1acf1bda3c25b6dcce0d0eb0278009ce63ae)
+++ src/chext/StdAfx.h	(.../StdAfx.h)	(revision 2f696d06139af4d0fab14dd1613507b66f5169cb)
@@ -20,6 +20,7 @@
 #define __STDAFX_H__
 
 #define STRICT
+#define _CRT_RAND_S
 
 #include "../common/targetver.h"