[MPlayer-dev-eng] v4l bugfix

[Mark Sanderson]

video4linux ioctls VIDIOCGTUNER/VIDIOCSTUNER require the tuner argument
set before calling.
Defaulting it to zero is the fix:

libmpdemux/tvi_v4l.c line 593
+   priv->tuner.tuner = 0;

Regards,
Mark.