Log Message:
Updating security/p5-Digest-CRC from 0.14nb2 to 0.15

pkgsrc changes:
- add license definition

Upstream changes:
0.15  Sun Sep 12 13:46:13 2010
        - added crc64 support, #50064
          Thanks to Anders Ossowicki <aowi@novozymes.com>
        - added bit reversing per byte, #59575
          Thanks to Joel Peshkin <joel@peshkin.net>
        - clone method nwo copies content too
          Thanks to Stefan Ochs <stefan.ochs@opentext.com>