[mythtv] mythtv/settings.pro lists wrong proc type for amd64

[Ian Forde]

On Tue, 2005-02-08 at 10:02 +1100, Nigel Pearson wrote:
> > patch attached.
> 
> 	What about the -DMMX line. I thought that
> most users have had to remove that for clean builds?

For me that was only a problem in mythmusic...

	-I