connection_mark_unattached_ap_: checking always true edge_has_sent_end

  ENTRY_TO_EDGE_CONN(conn)->edge_has_sent_end = 1; /* no circ yet */

  if ((edge_conn->on_circuit != NULL || edge_conn->edge_has_sent_end) &&
      connection_edge_is_rendezvous_stream(edge_conn)) {
    rend_client_note_connection_attempt_ended(
                                    edge_conn->rend_data->onion_address);
  }