$NetBSD: patch-ab,v 1.2 2012/12/26 18:51:47 ryoon Exp $

Beware of DOS linebreaks.

--- execunix.c.orig	2006-06-05 10:52:27.000000000 +0000
+++ execunix.c
@@ -42,6 +42,7 @@
 # include "lists.h"
 # include "execcmd.h"
 # include <errno.h>
+# include <unistd.h>
 
 # ifdef USE_EXECUNIX