From 40b6774acc9072f8ade2ccb17958ef7b799086dd Mon Sep 17 00:00:00 2001
From: Miek Gieben <miek@miek.nl>
Date: Fri, 22 Apr 2016 07:11:25 +0100
Subject: [PATCH] Metrics lost 'dns' subsystem

Local variable shadowing in global const. Now subsystem is back to
'dns'.
---
 middleware/metrics/metrics.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/middleware/metrics/metrics.go b/middleware/metrics/metrics.go
index 35f411073..b525042f7 100644
--- a/middleware/metrics/metrics.go
+++ b/middleware/metrics/metrics.go
@@ -29,7 +29,7 @@ type Metrics struct {
 
 func (m *Metrics) Start() error {
 	m.Once.Do(func() {
-		define("")
+		define()
 
 		prometheus.MustRegister(requestCount)
 		prometheus.MustRegister(requestDuration)
@@ -46,7 +46,7 @@ func (m *Metrics) Start() error {
 	return nil
 }
 
-func define(subsystem string) {
+func define() {
 	requestCount = prometheus.NewCounterVec(prometheus.CounterOpts{
 		Namespace: middleware.Namespace,
 		Subsystem: subsystem,