[Yum] x86_64 and yum 2.1.12 (tries to install both architectures i386 and x86_64)

[seth vidal]

> PS.: I read your Blog and your thoughts about the future of FC4 and hope 
> that a few of this thoughts make it into FC4/5 :).

me too, but I'm not going to hold my breath. :)

-sv