MFH: r542600
dns/dnsmasq: update to 2.82 (regression and bug fixes)
Quoting Simon Kelley "This fixes a nasty problem
introduced in 2.81 which causes random crashes on systems where there's
significant DNS activity over TCP. It also fixes DNSSEC validation
problems with zero-TTL DNSKEY and DS records."
Approved by: ports-secteam@ (joneum@)