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/poll.hpp b/src/poll.hpp
index 83dc6ce..bc5fb5c 100644
--- a/src/poll.hpp
+++ b/src/poll.hpp
@@ -92,7 +92,7 @@ namespace zmq
         thread_t worker;
 
         poll_t (const poll_t&);
-        void operator = (const poll_t&);
+        const poll_t &operator = (const poll_t&);
     };
 
 }