MusicPal: Restore display size after invalidation (Jan Kiszka).

Make sure that the MusicPal display is set to the correct size again
after some other console may have used a different size.

Signed-off-by: Jan Kiszka <jan.kiszka@web.de>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4646 c046a42c-6fe2-441c-8c8c-71466251a162
