From 8b40db4bcb6eb094537dbcbde662b670eeb9c6e0 Mon Sep 17 00:00:00 2001
From: t0pep0 <t0pep0.gentoo@gmail.com>
Date: Fri, 27 Jun 2014 19:14:12 +0400
Subject: [PATCH] fix bug

---
 cache.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/cache.go b/cache.go
index ca3e75c..71a2315 100644
--- a/cache.go
+++ b/cache.go
@@ -113,6 +113,10 @@ func (item *Item) addItem(res *Item) {
 	if res == nil {
 		return
 	}
+	if item == nil {
+		item = res
+		return
+	}
 	if item.Object == nil {
 		item.copy(res)
 		return