[arch-dev-public] [signoff] glibc-2.12.1-3

* Pull new git 2.12 branch snapshot * Patch two security exploits: http://www.exploit-db.com/exploits/15274/ (fedora patch) http://www.exploit-db.com/exploits/15304/ (upstream patch) * fix IPTOS_CLASS definition (FS#21159) Signoff both, Allan