common: Fix get_namespace() definition in hobject_t

Signed-off-by: David Zafman <david.zafman@inktank.com>

diff --git a/src/common/hobject.h b/src/common/hobject.h
index 633e471dffcd3fd4e6be78d91b8a5d438dbdd0e3..f455e9f780a2cd2102723eb8890df8bea96cd7ab 100644 (file)
--- a/src/common/hobject.h
+++ b/src/common/hobject.h
@@ -138,7 +138,7 @@ public:
     (*this) = temp;
   }
 
-  string get_namespace() const {
+  const string &get_namespace() const {
     return nspace;
   }