From ed44687a79e06e893d67c32ae842d13a046904cc Mon Sep 17 00:00:00 2001
From: liuyuhong <liuyuhong@cmss.chinamobile.com>
Date: Thu, 27 Apr 2017 16:48:57 +0800
Subject: [PATCH] rgw/rgw_swift_auth.cc: using string::back() instead as the
 C++11 recommend

Signed-off-by: liuyuhong <liuyuhong@cmss.chinamobile.com>
---
 src/rgw/rgw_swift_auth.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/rgw/rgw_swift_auth.cc b/src/rgw/rgw_swift_auth.cc
index cc26db4fcce5..196d1988e018 100644
--- a/src/rgw/rgw_swift_auth.cc
+++ b/src/rgw/rgw_swift_auth.cc
@@ -304,7 +304,7 @@ ExternalTokenEngine::authenticate(const std::string& token,
   }
 
   std::string auth_url = g_conf->rgw_swift_auth_url;
-  if (auth_url[auth_url.length() - 1] != '/') {
+  if (auth_url.back() != '/') {
     auth_url.append("/");
   }
 
-- 
2.47.3