Problem: formatting errors introduced by PR #3237

Solution: fix them

src/udp_engine.cpp

@@ -206,8 +206,8 @@ void zmq::udp_engine_t::plug (io_thread_t *io_thread_, session_base_t *session_)
         bool multicast = udp_addr->is_mcast ();
 
         if (multicast) {
-            //  Multicast addresses should be allowed to bind to more than
-            //  one port as all ports should receive the message
+        //  Multicast addresses should be allowed to bind to more than
+        //  one port as all ports should receive the message
 #ifdef SO_REUSEPORT
             rc = setsockopt (_fd, SOL_SOCKET, SO_REUSEPORT,
                              reinterpret_cast<char *> (&on), sizeof (on));
@@ -221,6 +221,7 @@ void zmq::udp_engine_t::plug (io_thread_t *io_thread_, session_base_t *session_)
             //  In multicast we should bind ANY and use the mreq struct to
             //  specify the interface
             any.set_port (bind_addr->port ());
+
             real_bind_addr = &any;
         } else {
             real_bind_addr = bind_addr;