V4L/DVB (11864): cx18: Complete support for Sliced and Raw VBI for 625 line systems

Finish changes for sliced and raw VBI for 625 line systems.  Tested with VPS
and WSS being emitted by a PVR-350 in field 1 lines 16 and 23.

Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/cx18/cx18-av-vbi.c b/drivers/media/video/cx18/cx18-av-vbi.c
index 6401214..a51732b 100644
--- a/drivers/media/video/cx18/cx18-av-vbi.c
+++ b/drivers/media/video/cx18/cx18-av-vbi.c
@@ -256,7 +256,7 @@
 
 	cx18_av_write(cx, 0x43c, 0x16);
 	/* Should match vblank set in cx18_av_std_setup() */
-	cx18_av_write(cx, 0x474, is_pal ? 36 : 26);
+	cx18_av_write(cx, 0x474, is_pal ? 38 : 26);
 	return 0;
 }