git: 3914721463f7..26fd3d5616df - vendor/ntp - vendor branch updated

[Cy Schubert]

The branch vendor/ntp has been updated by cy:

URL: https://cgit.FreeBSD.org/src/log/?id=3914721463f7..26fd3d5616df

26fd3d5616df ntp: import ntp-4.2.8p16