Merge pull request #270 from rgagnon24/master

Fix IPC transport domain socket stream file not being removed when connection is closed

src/ipc_listener.cpp

@@ -144,6 +144,7 @@ int zmq::ipc_listener_t::set_address (const char *addr_)
     if (rc != 0)
         return -1;
 
+    filename.assign(addr_);
     has_file = true;
 
     //  Listen for incomming connections.