$NetBSD: patch-ad,v 1.1 2006/06/08 15:34:52 joerg Exp $

--- copyin.c.orig	2006-06-08 15:22:15.000000000 +0000
+++ copyin.c
@@ -48,8 +48,6 @@ int dup(int);
 
 const char *cpi_error = "no error";
 
-extern int errno;
-
 # define ERROR(code, str)	(cpi_error = (str), errno = (code))
 
 # define MACB_BLOCKSZ	128