Linux patch 3.12.19

git-svn-id: svn://anonsvn.gentoo.org/linux-patches@2779 00c4350b-4cf9-0310-8c1b-f3fed11d2be3
3.12-20 release

git-svn-id: svn://anonsvn.gentoo.org/linux-patches@2780 00c4350b-4cf9-0310-8c1b-f3fed11d2be3