common/ceph_json.h: add const to member function

Signed-off-by: Michal Jarzabek <stiopa@gmail.com>

diff --git a/src/common/ceph_json.h b/src/common/ceph_json.h
index 85f3f3656e031835934fc9be8e6d8c19d74dc8a5..b3961cc783262c39d162a70d051074a4cbacf2f3 100644 (file)
--- a/src/common/ceph_json.h
+++ b/src/common/ceph_json.h
@@ -38,7 +38,7 @@ public:
   void operator++();
   JSONObj *operator*();
 
-  bool end() {
+  bool end() const {
     return (cur == last);
   }
 };