rgw:clean redundant code

Signed-off-by: Yankun Li <lioveni99@gmail.com>

diff --git a/src/rgw/rgw_client_io.cc b/src/rgw/rgw_client_io.cc
index da501307838cb588def9b17d040fae54bde28c8a..21c9096c44e5a3bfa1b82cba6b61ad12cf601c47 100644 (file)
--- a/src/rgw/rgw_client_io.cc
+++ b/src/rgw/rgw_client_io.cc
@@ -17,7 +17,7 @@ void BasicClient::init(CephContext *cct) {
 
   if (cct->_conf->subsys.should_gather(ceph_subsys_rgw, 20)) {
     std::map<string, string, ltstr_nocase>& env_map = get_env().get_map();
-    std::map<string, string, ltstr_nocase>::iterator iter = env_map.begin();
+    std::map<string, string, ltstr_nocase>::iterator iter;
 
     for (iter = env_map.begin(); iter != env_map.end(); ++iter) {
       ldout(cct, 20) << iter->first << "=" << iter->second << dendl;