$NetBSD: patch-ab,v 1.1 2007/08/05 16:36:11 joerg Exp $

--- mainwindow.cpp.orig	2007-08-05 15:57:51.000000000 +0000
+++ mainwindow.cpp
@@ -19,6 +19,8 @@
 #include <cstdlib>
 #include <typeinfo>
 
+#include <unistd.h>
+
 #include "aboutdialog.h"
 #include "exportoofiledialog.h"
 #include "exports.h"