$NetBSD: patch-ap,v 1.4 2009/06/11 08:13:05 wiz Exp $

--- src/osdep/unix/unix.c.orig	2008-06-04 13:39:54.000000000 -0500
+++ src/osdep/unix/unix.c
@@ -40,8 +40,8 @@
 #include <stdio.h>
 #include <ctype.h>
 #include <errno.h>
-extern int errno;		/* just in case */
 #include <signal.h>
+#include <utime.h>	/* need this to get __utime50() prototype on NetBSD */
 #include "mail.h"
 #include "osdep.h"
 #include <time.h>