message: Redefine IconGrid::Item as struct
diff: @@ -26,18 +26,14 @@ public:
  /**
  * Item used within the IconGrid.
  */
  - class Item
  + struct Item
  {
  public:
  std::string name{};
  int meta{0}; /**< Optional User defined value */
  int sheetId{0};
  bool available{true};
  -
  - protected:
  - friend class IconGrid;
  -
  - NAS2D::Point<int> pos;
  + NAS2D::Point<int> pos{};
  };
  using Signal = NAS2D::Signal<const Item*>;
  