cls/rbd: fix build

3cbe0ced was merged after d03ff14, so update accordingly.

Signed-off-by: Kefu Chai <kchai@redhat.com>

diff --git a/src/cls/rbd/cls_rbd_client.cc b/src/cls/rbd/cls_rbd_client.cc
index 87b5c28e1fb943ab5e3d2e271831214e1da3b2e2..9ad132bd1ce2d4e8281013ebc7fdab47312e9c7e 100644 (file)
--- a/src/cls/rbd/cls_rbd_client.cc
+++ b/src/cls/rbd/cls_rbd_client.cc
@@ -2120,7 +2120,7 @@ namespace librbd {
         return r;
       }
 
-      bufferlist::iterator iter = out_bl.begin();
+      auto iter = out_bl.cbegin();
       return mirror_image_map_list_finish(&iter, image_mapping);
     }