cls_rgw.cc: prefer ++operator for non-primitive iter

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>

diff --git a/src/cls/rgw/cls_rgw.cc b/src/cls/rgw/cls_rgw.cc
index e0df08cf6373867654c1317cdef5ae5f492a863e..7dc3af98a951e1cddad39eb7fca7055c87322aee 100644 (file)
--- a/src/cls/rgw/cls_rgw.cc
+++ b/src/cls/rgw/cls_rgw.cc
@@ -366,7 +366,7 @@ static void decode_list_index_key(const string& index_key, cls_rgw_obj_key *key,
 
   list<string>::iterator iter = vals.begin();
   key->name = *iter;
-  iter++;
+  ++iter;
 
   assert(iter != vals.end());