message: Make Label::autoSize protected
  Resizing can be an internal class detail
diff: @@ -26,7 +26,6 @@ class Label : public Control
  public:
  Label(std::string newText = "");
  - void autoSize();
  void font(const NAS2D::Font* font);
  bool empty() const { return text().empty(); }
  void clear() { mText.clear(); }
  @@ -35,6 +34,8 @@ public:
  void color(const NAS2D::Color& color);
  protected:
  + void autoSize();
  +
  private:
  NAS2D::Color textColor{NAS2D::Color::White};
  };
  