Security update for polkit (important)

Polkit was updated to 0.113 to fix four security issues.

The following vulnerabilities were fixed:

• CVE-2015-4625: a local privilege escalation due to predictable
  authentication session cookie values. (boo#935119)
• CVE-2015-3256: various memory corruption vulnerabilities in use of the
  JavaScript interpreter, possibly leading to local privilege escalation.
  (boo#943816)
• CVE-2015-3255: a memory corruption vulnerability in handling duplicate
  action IDs, possibly leading to local privilege escalation. (boo#939246)
• CVE-2015-3218: Allowed any local user to crash polkitd. (boo#933922)