MFC r243981,243987:

MFC r243981,243987:

  Update to 9.8.4-P1.

  New Features

  *  Elliptic Curve Digital Signature Algorithm keys and signatures in
     DNSSEC are now supported per RFC 6605. [RT #21918]

  Feature Changes

  *  Improves OpenSSL error logging [RT #29932]

  *  nslookup now returns a nonzero exit code when it is unable to get
     an answer.  [RT #29492]

  Other critical bug fixes are included.

  Approved by:  delphij (mentor)
  Sponsored by: DK Hostmaster A/S

git-svn-id: svn://svn.freebsd.org/base/stable/9@245163 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f