message: Remove useless declaration.
diff: @@ -47,8 +47,6 @@ static zend_class_entry swoole_websocket_closeframe_ce;
  static zend_class_entry *swoole_websocket_closeframe_ce_ptr;
  static zend_object_handlers swoole_websocket_closeframe_handlers;
  -static int websocket_handshake(swListenPort *, http_context *);
  -
  static PHP_METHOD(swoole_websocket_server, push);
  static PHP_METHOD(swoole_websocket_server, exist);
  static PHP_METHOD(swoole_websocket_server, isEstablished);
  