V4L/DVB: ivtv: sizeof() => ARRAY_SIZE()
V4L/DVB: ivtv: sizeof() => ARRAY_SIZE()

This fixes a smatch warning:
drivers/media/video/ivtv/ivtv-vbi.c +138 ivtv_write_vbi(43)
	error: buffer overflow 'vi->cc_payload' 256 <= 1023

Signed-off-by: Dan Carpenter <72501f147b2753e6660fdce744d9ac3084854f5e@gmail.com>
Reviewed-by: Andy Walls <87098e5036de39f00cafe8d8f6114135f55ad2e7@radix.net>
Signed-off-by: Andy Walls <87098e5036de39f00cafe8d8f6114135f55ad2e7@radix.net>
Signed-off-by: Mauro Carvalho Chehab <ad86ba2154032c9f55743a190faa2459a9d61d42@redhat.com>

KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs