Update dns/dnstable port to version 0.11.0
dnstable, the encoding library with utilities for passive DNS data, version 0.11.0, was released. This release adds functionality enabling unaggregated query results, the skipping of query results, and date and rdata presentation options for JSON formatted entries. In detail: * Fix bug in raw rdata queries with rrtype specified. * Add functionality for unaggregated query results. * Add ability to skip query results. * Add options for date and rdata presentation in JSON formatted entries. * Treat RRTYPE "TYPE255" as an alias for "ANY", since 255 is the code for "ANY".
Insert a blank line into Makefile to pacify portlint.
Sponsored by: Farsight Security, Inc.