V4L/DVB (8493): mt20xx: test below 0 on unsigned lo1a and lo2a

lo1a and lo2a are unsigned ints so these tests won't work.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
1 file changed