git: 4891157c57cc..3dcfa5af4121 - vendor/ldns - vendor branch updated

[Dag-Erling Smørgrav]

The branch vendor/ldns has been updated by des:

URL: https://cgit.FreeBSD.org/src/log/?id=4891157c57cc..3dcfa5af4121

3dcfa5af4121 import ldns 1.8.3