+++ /dev/null
-diff -ruN src/io.cpp.orig src/io.cpp
---- src/io.cpp.orig 2012-05-19 20:48:05.930777509 +0200
-+++ src/io.cpp 2012-05-19 20:49:04.303822711 +0200
-@@ -20,6 +20,8 @@
-
- /** @file io.cpp Implementation of reading/writing to files */
-
-+#include <unistd.h>
-+
- #include "stdafx.h"
- #include "io.hpp"
-
-diff -ruN src/catcodec.cpp.orig src/catcodec.cpp
---- src/catcodec.cpp.orig 2012-05-19 20:47:55.847255343 +0200
-+++ src/catcodec.cpp 2012-05-19 20:48:38.937144091 +0200
-@@ -22,6 +22,7 @@
-
- #include <stdlib.h>
- #include <string.h>
-+#include <unistd.h>
-
- #include "stdafx.h"
- #include "io.hpp"
-