Add a few missing headers.

Fixes build with gcc 4.3.2 on Debian.

Signed-off-by: Alexey Zaytsev <alexey.zaytsev@gmail.com>
diff --git a/tools/localize/file_utils.cpp b/tools/localize/file_utils.cpp
index 9431709..1cda7ec 100644
--- a/tools/localize/file_utils.cpp
+++ b/tools/localize/file_utils.cpp
@@ -3,6 +3,8 @@
 #include <sys/fcntl.h>
 #include <sys/stat.h>
 #include <errno.h>
+#include <string.h>
+#include <stdlib.h>
 #include <host/Directories.h>
 #include "log.h"