$OpenBSD: patch-src_subshell_c,v 1.1 2004/04/11 00:40:59 naddy Exp $
--- src/subshell.c.orig	2003-10-26 07:46:02.000000000 +0100
+++ src/subshell.c	2004-04-11 02:36:03.000000000 +0200
@@ -265,17 +265,17 @@ static void init_subshell_child (const c
     switch (subshell_type)
     {
         case BASH:
-	    execl (shell, "bash", "-rcfile", init_file, NULL);
+	    execl (shell, "bash", "-rcfile", init_file, (char *)NULL);
 	    break;
 
         case TCSH:
-	    execl (shell, "tcsh", NULL);
+	    execl (shell, "tcsh", (char *)NULL);
 	    break;
 
         case ZSH:
 	    /* Use -g to exclude cmds beginning with space from history
 	     * and -Z to use the line editor on non-interactive term */
-	    execl (shell, "zsh", "-Z", "-g", NULL);
+	    execl (shell, "zsh", "-Z", "-g", (char *)NULL);
 
 	    break;
     }
