Make cppcheck not complain about "'operator=' should return something"

Signed-off-by: Martin Sustrik <sustrik@250bpm.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/yqueue.hpp b/src/yqueue.hpp
index c05a0a7..1088906 100644
--- a/src/yqueue.hpp
+++ b/src/yqueue.hpp
@@ -189,7 +189,7 @@ namespace zmq
 
         //  Disable copying of yqueue.
         yqueue_t (const yqueue_t&);
-        void operator = (const yqueue_t&);
+        const yqueue_t &operator = (const yqueue_t&);
     };
 
 }