--- mainwindow.cpp~	2011-12-14 12:18:36.000000000 -0600
+++ mainwindow.cpp	2012-01-06 07:11:01.969955047 -0600
@@ -4,6 +4,7 @@
 
 #include <iostream>
 #include <typeinfo>
+#include <unistd.h>
 
 #include "aboutdialog.h"
 #include "branchpropwindow.h"