$NetBSD: patch-aa,v 1.1 2008/07/03 10:22:39 drochner Exp $

--- src/options.cpp.orig	2008-01-13 00:37:12.000000000 +0100
+++ src/options.cpp
@@ -21,6 +21,7 @@ Permission is granted to anyone to use t
 #include "options.h"
 #include "gen.h"
 
+#include <unistd.h>
 
 #include <iostream>
 #include <fstream>
