message: Fix digger destroy message bug
diff: @@ -986,8 +986,9 @@ void MapViewState::placeRobot()
  {
  if (!doYesNoMessage(constants::ALERT_DIGGER_MINE_TITLE, constants::ALERT_DIGGER_MINE)) { return; }
  - std::cout << "Digger destroyed a Mine at (" << mTileMap->tileMouseHoverX() << ", " << mTileMap->tileMouseHoverY() << ")." << std::endl;
  - mTileMap->removeMineLocation(Point{tile->x(), tile->y()});
  + const auto position = tile->position();
  + std::cout << "Digger destroyed a Mine at (" << position.x() << ", " << position.y() << ")." << std::endl;
  + mTileMap->removeMineLocation(position);
  }
  // Die if tile is occupied or not excavated.
  