Method ModifyRailType

src/rail_gui.cpp:518–522

* Switch to another rail type. * @param railtype New rail type. */

	 * @param railtype New rail type.
	 */
	void ModifyRailType(RailType railtype)
	{
		this->railtype = railtype;
		this->ReInit();
	}

	void UpdateRemoveWidgetStatus(WidgetID clicked_widget)
	{