[mythtv] Channel matching for mythweb listings

[Chris Petersen]

> Verified. Thanks for knowing where to find the one line that
> needed to change ;-). I did make one more small tweak so that
> it will show the same callsign if it is on a different channel
> number (a low analog channel and a high digital channel for
> instance).

np.  good to know it was such a simple fix.  Feel free to send your
other tweak over.

> As far as the impact on scheduling, channels in record rules are
> now associated by callsign rather than chanid so it doesn't
> matter which chanid is listed. The frontend EPG has worked like
> this quite nicely for the past couple months.

Yeah, I remember something about that.  It still takes chanid, so I
wasn't sure which one it prioritized on.

-Chris