stddef.h: Do not define __size_t on VMS.

2012-03-09  Tristan Gingold  <gingold@adacore.com>

	* ginclude/stddef.h: Do not define __size_t on VMS.

From-SVN: r185137

gcc/ChangeLog

 2012-03-09  Tristan Gingold  <gingold@adacore.com>
 
+	* ginclude/stddef.h: Do not define __size_t on VMS.
+
+2012-03-09  Tristan Gingold  <gingold@adacore.com>
+
 	* c-tree.h (c_default_pointer_mode): New variable.
 	* c-decl.c (c_default_pointer_mode): New variable.
 	(c_build_pointer_type): New function.

gcc/ginclude/stddef.h

@@ -203,6 +203,8 @@ typedef __PTRDIFF_TYPE__ ptrdiff_t;
 #if (defined (__FreeBSD__) && (__FreeBSD__ >= 5)) \
   || defined(__FreeBSD_kernel__)
 /* __size_t is a typedef on FreeBSD 5, must not trash it. */
+#elif defined (VMS)
+/* __size_t is also a typedef on VMS.  */
 #else
 #define __size_t
 #endif