Xobox - clear display for all. Fixes problem on colour screens with one or both dimensions not being a multiple of 8 (e.g. the Nano's screen height) where parts of the statusbar or background image stayed on screen.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19958 a1c6a512-1295-4272-9138-f99709370657

apps/plugins/xobox.c

@@ -506,9 +506,8 @@ static void refresh_board (void)
 
 #if LCD_DEPTH>=2
     rb->lcd_set_background (LCD_BLACK);
-#else
-    rb->lcd_clear_display ();
 #endif
+    rb->lcd_clear_display ();
     for (j = 0; j < BOARD_H; j++)
     {
         unsigned last_color = board[j][0];