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_window.cpp

@@ -254,3 +254,11 @@ void CComponentsWindow::initCCWItems()
 			addCCItem(ccw_footer);
 }
 
+void CComponentsWindow::paint(bool do_save_bg)
+{
+	//prepare items before paint
+	initCCWItems();
+
+	//paint form contents
+	paintForm(do_save_bg);
+}