$OpenBSD: patch-fileio_c,v 1.1 2003/10/14 23:05:28 jolan Exp $
--- fileio.c.orig	2003-09-08 09:25:28.000000000 -0500
+++ fileio.c	2003-10-14 14:09:39.000000000 -0500
@@ -779,7 +779,7 @@ char *cmd;
 #ifdef SIGPIPE
       signal(SIGPIPE, SIG_DFL);
 #endif
-      execl("/bin/sh", "sh", "-c", cmd, 0);
+      execl("/bin/sh", "sh", "-c", cmd, (void*)NULL);
       Panic(errno, "/bin/sh");
     default:
       break;