V4L/DVB (13947): add __init/__exit macros to drivers/media/dvb/bt8xx/bt878.c

Trivial patch which adds the __init/__exit macros to the module_init/
module_exit functions of

drivers/media/dvb/bt8xx/bt878.c

Please have a look at the small patch and either pull it through
your tree, or please ack' it so Jiri can pull it through the trivial
tree.

Patch against linux-next-tree, 22. Dez 08:38:18 CET 2009
but also present in linus tree.

Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>