Kernel updates since December 2009

loader/libs/c/include/stddef.h

@@ -111,7 +111,9 @@ typedef __SIZE_TYPE__ size_t;
 		       things such as varargs and printf */
 typedef __WCHAR_TYPE__ wchar_t;
 #endif
+#ifndef NULL
 #define NULL ((void *)0)
+#endif
 #define offsetof(type, member) ((size_t) &((type *)0)->member)
 
 #endif /* _STDDEF_H_ */