Wrap __attribute__s in macros

code/client/cl_main.c

@@ -3121,7 +3121,7 @@ CL_RefPrintf
 DLL glue
 ================
 */
-static __attribute__ ((format (printf, 2, 3))) void QDECL CL_RefPrintf( int print_level, const char *fmt, ...) {
+static Q_PRINTF_FUNC(2, 3) void QDECL CL_RefPrintf( int print_level, const char *fmt, ...) {
 	va_list		argptr;
 	char		msg[MAXPRINTMSG];