USN-1222-2: Mozvoikko, ubufox, webfav update

USN-1222-1 fixed vulnerabilities in Firefox. This update provides updated packages for use with Firefox 7. Original advisory details: Benjamin Smedberg, Bob Clary, Jesse Ruderman, Bob Clary, Andrew McCreight, Andreas Gal, Gary Kwong, Igor Bukanov, Jason Orendorff, Jesse Ruderman, and Marcia Knous...