--- a/cache/cache.c	Thu Aug 07 20:28:06 2008 +0300
+++ b/cache/cache.c	Fri Aug 08 00:15:29 2008 +0300
@@ -1,6 +1,8 @@
+#include <stdlib.h>
 
 #include "../cache.h"
 #include "cache.h"
+#include "engine.h"
 
 struct cache *cache_open (struct cache_engine *engine) {
     struct cache *cache;