diff -Nur -x '*.orig' -x '*~' open-invaders-0.3//src/init.cc open-invaders-0.3.new//src/init.cc
--- open-invaders-0.3//src/init.cc	2009-03-23 22:37:13.000000000 +0100
+++ open-invaders-0.3.new//src/init.cc	2010-11-07 19:44:37.520000004 +0100
@@ -33,6 +33,7 @@
 #include "headers/init.h"
 #include "headers/declare.h"
 #include "headers/input.h"
+#include <sys/stat.h>
 
 using namespace std;