Log Message:
opendmarc: Update to 1.4.2 and overhaul package.

pkgsrc changes:

  * Use PKG_SYSCONFSUBDIR, there are a number of extra files supported in
    the configuration file so everything should live in a sub-directory.

    HEADS-UP! Users will need to migrate over to new config file location.

  * Create opendmarc user/group, not currently used in rc.d script.

  * Fix build on SunOS and add SMF support.

  * Split multi-file patch correctly into separate files.

  * Add TEST_TARGET.

  * Various pkglint and cleanup.

opendmarc changes:

1.4.2           2021/12/19
        Fix issue #175: Don't reject a multi-valued From when all of the
                domains match.
        Fix issue #179: Don't crash when a value in a multi-valued From field
                is missing a domain name.  Resolves CVE-2021-34555.