$NetBSD: patch-ax,v 1.3 2012/02/16 14:13:15 hans Exp $

--- tcl/tclCmdIZ.c.orig	1995-02-24 16:19:54.000000000 -0500
+++ tcl/tclCmdIZ.c	2008-12-16 20:18:01.000000000 -0500
@@ -28,10 +28,9 @@ static char rcsid[] = "$Header: /home/ag
 #include <sys/file.h>
 #include <sys/stat.h>
 #include <sys/time.h>
+#include <fcntl.h>
 #include "tclInt.h"
 
-extern int errno;
-
 
 /*
  *----------------------------------------------------------------------