$NetBSD: patch-ag,v 1.1 2005/11/10 16:31:25 joerg Exp $

--- io.c.orig	2005-11-10 16:13:36.000000000 +0000
+++ io.c
@@ -42,7 +42,6 @@
 #include "main.h"
 #include "io.h"
 
-extern int errno;
 extern int exit_code;
 extern char *argvzero;
 extern struct opt_s options;