[mythtv] curl instead of wget

[Kyle Rose]

> If you are not intending on contributing things back to myth, then you have no 
> reason to be on this list.  Please stop wasting other people's time with 
> off-topic junk.

Dan, don't mind Isaac; evidently he misplaced his bottle of Prozac this
morning.

Non-abrasively: mythtv-dev is for the use of developers to discuss
development of MythTV and its officially-supported modules.  While still
off-topic, this kind of request would more likely be served without
prejudice on mythtv-users.

Cheers,
Kyle