This mistakenly tested against sizeof(freqs) instead of the array size. Due to
the mask the only illegal value possible was 3.
Reported-by: NRoel Kluin <roel.kluin@gmail.com>
Signed-off-by: NAndy Walls <awalls@radix.net>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>