message: Fix uint16_t type
diff: @@ -148,7 +148,7 @@ void GeofenceImpl::assemble_mavlink_messages(
  _mavlink_geofence_item_messages.clear();
  for (auto &polygon : polygons) {
  - u_int16_t command;
  + uint16_t command;
  switch (polygon->type) {
  case Geofence::Polygon::Type::INCLUSION:
  command = MAV_CMD_NAV_FENCE_POLYGON_VERTEX_INCLUSION;
  