message: Mark methods with override in MapViewState
diff: @@ -65,7 +65,7 @@ public:
  public:
  MapViewState(const std::string& savegame);
  MapViewState(const std::string& siteMap, const std::string& tileSet, int depth, int mineCount, constants::PlanetHostility hostility);
  - virtual ~MapViewState();
  + ~MapViewState() override;
  void setPopulationLevel(PopulationLevel popLevel);
  @@ -76,8 +76,8 @@ public:
  void focusOnStructure(Structure* s);
  protected:
  - void initialize();
  - State* update();
  + void initialize() override;
  + State* update() override;
  private:
  virtual void _deactivate() final;
  