[mythtv] New configure script oddities

[Anduin Withers]

> I found another one.
> 
> Fresh CVS co last night. LIRC support turned off (this is a backend).
> Compile errors out on LIRC not found..

While the lirc checking isn't great (it only checks for the libs), it
shouldn't be broken how you are seeing, I'd cvs diff your settings.pro, I
suspect you still have a using_lirc in there.

-- 
Anduin Withers