curl_multi_add_handle: set timeouts in closure handles

     handle is added */

  memset(&multi->timer_lastcall, 0, sizeof(multi->timer_lastcall));

  /* The closure handle only ever has default timeouts set. To improve the

     state somewhat we clone the timeouts from each added handle so that the

     closure handle always has the same timeouts as the most recently added

     easy handle. */

  multi->closure_handle->set.timeout = data->set.timeout;

  multi->closure_handle->set.server_response_timeout =

    data->set.server_response_timeout;

  update_timer(multi);

  return CURLM_OK;

}