File 07_fix_build_gcc47.patch of Package warmux

Description: Fix FTBFS with gcc 4.7.
Author: Felix Geyer <debfx-pkg@fobos.de>

--- warmux-11.04.1+repack.orig/tools/list_games/main.cpp
+++ warmux-11.04.1+repack/tools/list_games/main.cpp
@@ -1,4 +1,5 @@
 #include <stdio.h>
+#include <unistd.h>
 #include <WARMUX_types.h>
 #include <WARMUX_network.h>
 #include <WARMUX_index_server.h>