MFH: r472842
dns/knot-resolver: update 2.1.1 -> 2.3.0, fixing CVE-2018-1110
PR: 229040
Reported by: freebsd-vheg@riseup.net
Approved by: Leo Vandewoestijne <freebsd@dns.company> (maintainer)
Relnotes: https://www.knot-resolver.cz/2018-04-23-knot-resolver-2.3.0.html
Security: CVE-2018-1110
Approved by: portmgr (miwi)