FaceTime Error Fix

[hbp112358]

I take no credit for this code, I merely am bringing it to the Dev's attention for implementation into trunk.
Thank you Olegpronin for your time sorting out the UUID issues.

http://www.insanelymac.com/forum/index.php?s=&showtopic=181293&view=findpost&p=1742828

also if booting from a soft raid Macman set a flag to bypass this code due to issues.

happy facetiming

Fixed link