$OpenBSD: patch-gcc_tree-mudflap_c,v 1.2 2005/03/07 16:30:06 espie Exp $
--- gcc/tree-mudflap.c.orig	Tue Sep 14 08:50:49 2004
+++ gcc/tree-mudflap.c	Tue Sep 14 08:51:00 2004
@@ -232,7 +232,7 @@ mf_file_function_line_tree (location_t l
   else
     op = name = cp = "";
 
-  string = concat (file, colon, line, op, name, cp, NULL);
+  string = concat (file, colon, line, op, name, cp, (void *)0);
   result = mf_build_string (string);
   free (string);
 
