From bdea0d3a0050f80f02670c514488ac44376a50fd Mon Sep 17 00:00:00 2001
From: Leonard Austin <leonardaustin@users.noreply.github.com>
Date: Mon, 20 Apr 2015 10:58:42 +0100
Subject: [PATCH] mutex

---
 utils.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/utils.go b/utils.go
index ca7e04e8..097f0b02 100644
--- a/utils.go
+++ b/utils.go
@@ -18,6 +18,7 @@ func init() {
 }
 
 var smap = map[string]string{}
+var mutex = &sync.Mutex{}
 
 func ToDBName(name string) string {
 	if v, ok := smap[name]; ok {
@@ -34,7 +35,9 @@ func ToDBName(name string) string {
 	}
 
 	s := strings.ToLower(buf.String())
+	mutex.Lock()
 	smap[name] = s
+	mutex.Unlock()
 	return s
 }