--- css/css_syntax.y.orig	2012-09-19 15:27:03.000000000 +0800
+++ css/css_syntax.y	2012-09-19 15:28:12.000000000 +0800
@@ -1,5 +1,6 @@
 %{
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 #include "css_lex.h"
 #include "parser.h"