$NetBSD: patch-ag,v 1.2 2014/09/04 07:37:44 wiz Exp $

Remove unportable errno redefinition.

--- src/includes.h.orig	2006-01-08 13:33:18.000000000 +0000
+++ src/includes.h
@@ -283,7 +283,6 @@ double pow();
 #endif
 
 extern /*const*/char**environ;
-extern int errno;
 
 #ifndef STDIN_FILENO
 #define STDIN	0