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/sub.hpp b/src/sub.hpp
index 6ed2c12..d8822f3 100644
--- a/src/sub.hpp
+++ b/src/sub.hpp
@@ -41,7 +41,7 @@ namespace zmq
     private:
 
         sub_t (const sub_t&);
-        void operator = (const sub_t&);
+        const sub_t &operator = (const sub_t&);
     };
 
 }