Log Message:
Update to 37. From the changelog:

- Fixed bug in tinydns formating NS records for IPv4 wrong
  (IPv4-mapped IPv6).
- Added TLSA/DANE support for tinydns: '_' in data. Automatic name
  synthesis.
- Included and added man pages. Added script add-tlsa.sh.

pkgsrc changes:

- Since this is derived from public-domain djbdns and no other license
  is specified, set LICENSE-public-domain