$NetBSD: patch-ag,v 1.2 2019/11/16 10:14:15 mef Exp $

date: 2005-11-11 01:31:25 +0900;  author: joerg;  state: Exp;
Depend on errno.h for errno.

--- 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;