message: Remove worker_num repeat assignment
  Remove `worker_num` assignment in favor of constructor
diff: @@ -103,7 +103,6 @@ int swReactorProcess_start(swServer *serv)
  * store to swProcessPool object
  */
  serv->gs->event_workers.ptr = serv;
  - serv->gs->event_workers.worker_num = serv->worker_num;
  serv->gs->event_workers.max_wait_time = serv->max_wait_time;
  serv->gs->event_workers.use_msgqueue = 0;
  serv->gs->event_workers.main_loop = swReactorProcess_loop;
  