Clear the display before showing the splash (part of FS#10138 by Teruaki Kawashima)

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21498 a1c6a512-1295-4272-9138-f99709370657

apps/plugins/solitaire.c

@@ -1459,6 +1459,7 @@ int solitaire( int skipmenu )
         /* if there aren't any, that means you won :) */
         if( biggest_col_length == 0 && rem == NOT_A_CARD )
         {
+            rb->lcd_update();
             rb->splash( HZ, "You Won :)" );
             return bouncing_cards();
         }