Log Message:
Update bind97 package to 9.7.5.

Security Fixes

  + BIND 9 nameservers performing recursive queries could cache an
    invalid record and subsequent queries for that record could
    crash the resolvers with an assertion failure. [RT #26590]
    [CVE-2011-4313]

Feature Changes

  + It is now possible to explicitly disable DLV in named.conf by
    specifying "dnssec-lookaside no;". This is the default, but the
    ability to configure it makes it clearly visible to administrators.
    [RT #24858]

  + --enable-developer, a new composite argument to the configure
    script, enables a set of build options normally disabled but
    frequently selected in test or development builds, specifically:
    enable_fixed_rrset, with_atf, enable_filter_aaaa, enable_rpz_nsip,
    enable_rpz_nsdname, and with_dlz_filesystem (and on Linux and
    Darwin, also enable_exportlib) [RT #27103]