- infoviewer: fix overlaps on buttons while zapping

src/gui/infoviewer_bb.h

@@ -143,7 +143,7 @@ class CInfoViewerBB
 		void showIcon_Resolution();
 		void showIcon_Tuner(void);
 		void showIcon_DD(void);
-		void showBBButtons(const int modus=-1);
+		void showBBButtons(bool paintFooter = false);
 		void paintshowButtonBar();
 		void getBBButtonInfo(void);
 		void reset_allScala(void);