Security fix for the ALT Linux 7 package kernel-src-kvm version 3.10.21-alt1

3.10.21-alt1 built Dec. 20, 2013 Led in task 110736 Dec. 19, 2013 Led - 3.10.21 - updates from linux-3.10.25: + CVE-2013-4587 + CVE-2013-6367 + CVE-2013-6368 + CVE-2013-6376...