V4L/DVB: cx88-dvb: fix on switch identation

[dougsland@redhat.com: fixed reject due changes in cx88-dvb.c]
Signed-off-by: Ricardo Maraschini <ricardo.maraschini@gmail.com>
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>