message: fix user coroutine error.
diff: @@ -214,7 +214,10 @@ void php_swoole_event_wait()
  #endif
  #ifdef SW_COROUTINE
  + if (swReactorCheckPoint == NULL)
  + {
  coro_init(TSRMLS_C);
  + }
  #endif
  int ret = SwooleG.main_reactor->wait(SwooleG.main_reactor, NULL);
  