$OpenBSD: patch-authpipelib_c,v 1.1.1.1 2006/11/03 11:45:31 mbalmer Exp $
--- authpipelib.c.orig	Tue Dec 27 15:22:17 2005
+++ authpipelib.c	Tue Dec 27 15:22:52 2005
@@ -42,7 +42,7 @@ static void execChild(int to[], int from
 	close(STDOUT_FILENO); dup2(from[1], STDOUT_FILENO);
 	close(to[0]); close(to[1]); close(from[0]); close(from[1]);
 
-	execl(PIPE_PROGRAM, PIPE_PROGRAM, NULL);
+	execl(PIPE_PROGRAM, PIPE_PROGRAM, (char *)NULL);
 
 	DPRINTF("pipe: failed to execute %s: %s",PIPE_PROGRAM, strerror(errno));
 	exit(1);