message: Remove useless goto tag.
diff: @@ -2976,29 +2976,21 @@ static PHP_METHOD(swoole_server, send)
  RETURN_FALSE;
  }
  - if (serv->have_dgram_sock && Z_TYPE_P(zfd) == IS_STRING)
  - {
  - if (server_socket == -1)
  - {
  - server_socket = dgram_server_socket;
  - }
  //UNIX DGRAM SOCKET
  - if (Z_STRVAL_P(zfd)[0] == '/')
  + if (serv->have_dgram_sock && Z_TYPE_P(zfd) == IS_STRING && Z_STRVAL_P(zfd)[0] == '/')
  {
  struct sockaddr_un addr_un;
  memcpy(addr_un.sun_path, Z_STRVAL_P(zfd), Z_STRLEN_P(zfd));
  addr_un.sun_family = AF_UNIX;
  addr_un.sun_path[Z_STRLEN_P(zfd)] = 0;
  - ret = swSocket_sendto_blocking(server_socket, data, length, 0, (struct sockaddr *) &addr_un, sizeof(addr_un));
  + ret = swSocket_sendto_blocking(
  + server_socket == -1 ? dgram_server_socket : server_socket,
  + data, length, 0,
  + (struct sockaddr *) &addr_un, sizeof(addr_un)
  + );
  SW_CHECK_RETURN(ret);
  }
  - else
  - {
  - goto _convert;
  - }
  - }
  - _convert:
  fd = zval_get_long(zfd);
  if (UNEXPECTED((int) fd <= 0))
  {
  