From caeffa3998adc060fa66c4cd77af971ff2d26c57 Mon Sep 17 00:00:00 2001
From: Chris Lu <chris.lu@gmail.com>
Date: Thu, 2 Jun 2016 11:06:05 -0700
Subject: [PATCH] add missing unlock()!!!!!

---
 go/util/concurrent_read_map.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/go/util/concurrent_read_map.go b/go/util/concurrent_read_map.go
index bbf303d82..28b6ae0f1 100644
--- a/go/util/concurrent_read_map.go
+++ b/go/util/concurrent_read_map.go
@@ -49,6 +49,7 @@ func (m *ConcurrentReadMap) Items() (itemsCopy []interface{}) {
 	for _, i := range m.items {
 		itemsCopy = append(itemsCopy, i)
 	}
+	m.RUnlock()
 	return itemsCopy
 }