--- mozilla-release.orig/ipc/chromium/src/base/file_util_linux.cc	2011-07-08 03:15:22.000000000 +0200
+++ mozilla-release/ipc/chromium/src/base/file_util_linux.cc	2012-10-03 13:50:20.000000000 +0200
@@ -5,6 +5,7 @@
 #include "base/file_util.h"
 
 #include <fcntl.h>
+#include <unistd.h>
 
 #include <string>
 #include <vector>