CComponentsWindow: add missing member paint()

This is a partial revert of b9fc266721


Origin commit data
------------------
Commit: 0ae3d34ceb
Author: Thilo Graf <dbt@novatux.de>
Date: 2013-11-17 (Sun, 17 Nov 2013)

src/gui/components/cc_frm.h

@@ -317,6 +317,9 @@ class CComponentsWindow : public CComponentsForm
 
 		///refresh position and dimension and reinitialize elemenatary properties
 		void Refresh(){initCCWItems();};
+
+		///paint all window items, this overwriting paint() from CComponentsForm
+		virtual void paint(bool do_save_bg = CC_SAVE_SCREEN_YES);
 };