Log Message:
(pkgsrc)
 - Add LICENSE= 2-clause-bsd
 - Remove patch-ab (was edit from /usr/local/etc/dhclient.script
                             to    /usr/pkg/sbin/dhclient-script)
   Instead, includes above edit in SUBST to clean (false) pkglint flag.

(upstream)
 - Update 20060526 to 20090812
---------------------------
2009-08-12  Hajimu UMEMOTO  <ume@mahoroba.org>
        * dtcpclient.script: Add an ability to assign an anycast address
        by prefix delegation.  When `anycast' is specified as `hostid' of
        `prefix_delegation', an anycast address is assigned.

        Requested by:   Norikatsu Shigemura <nork@ninth-nine.com>

        * dtcpclient.script: Add support for prefix_delegation='AUTO'.  If
        `AUTO' is specified, delegated IPv6 address is assigned to upped
        interface automatically.