Don't leak objects headers

git-svn-id: http://www.varnish-cache.org/svn/trunk@320 d4fa192b-c00b-0410-8231-f00ffab90ce4

bin/varnishd/cache_hash.c

@@ -123,6 +123,7 @@ HSH_Deref(struct object *o)
 		return;
 	assert(TAILQ_EMPTY(&oh->objects));
 	AZ(pthread_mutex_destroy(&oh->mtx));
+	free(oh->header);
 	free(oh);
 }