message: core: timesync: update TIMESYNC usage to match upstream MAVLink current message definition
diff: @@ -70,7 +70,9 @@ void Timesync::send_timesync(uint64_t tc1, uint64_t ts1)
  _parent.get_own_component_id(),
  &message,
  static_cast<int64_t>(tc1),
  - static_cast<int64_t>(ts1));
  + static_cast<int64_t>(ts1),
  + 0,
  + 0);
  _parent.send_message(message);
  }
  