$OpenBSD: patch-backend_betest_c,v 1.4 2009/04/27 08:25:39 bernd Exp $
--- backend/betest.c.orig	Sat Jul 12 00:48:49 2008
+++ backend/betest.c	Tue Mar 17 16:21:49 2009
@@ -67,7 +67,7 @@ main(int  argc,		/* I - Number of command-line argumen
   */
 
   execl(backend, argv[1], argv[2], argv[3], argv[4], argv[5], argv[6], argv[7],
-        NULL);
+        (char *) 0);
 
   return (1);
 }
