From d8043c7371ef1bbb78e2a43f7f61d3640b04b13e Mon Sep 17 00:00:00 2001
From: Christian Jurk <cj@tfmt.de>
Date: Sun, 3 Jul 2016 18:45:04 +0200
Subject: [PATCH] const qualifier added

---
 pdns/ws-auth.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pdns/ws-auth.cc b/pdns/ws-auth.cc
index 5f96bbd800..56056f9c47 100644
--- a/pdns/ws-auth.cc
+++ b/pdns/ws-auth.cc
@@ -560,9 +560,9 @@ static bool isValidMetadataKind(const string& kind, bool readonly) {
 
   bool found = false;
 
-  for (string& s : builtinOptions) {
+  for (const string& s : builtinOptions) {
     if (kind == s) {
-      for (string& s2 : protectedOptions) {
+      for (const string& s2 : protectedOptions) {
         if (!readonly && s == s2)
           return false;
       }
-- 
2.47.2