Log Message:
Update bind96 to 9.6.3.1.ESV.10pl1 (BIND 9.6-ESV-R10-P1).

Security Fixes

   Treat an all zero netmask as invalid when generating the localnets
   acl. A Winsock library call on some Windows systems can return
   an incorrect value for an interface's netmask, potentially causing
   unexpected matches to BIND's built-in "localnets" Access Control
   List. (CVE-2013-6230) [RT #34687]