git: d684f11da759..49af073ed772 - vendor/heimdal - vendor branch updated

[Cy Schubert]

The branch vendor/heimdal has been updated by cy:

URL: https://cgit.FreeBSD.org/src/log/?id=d684f11da759..49af073ed772

49af073ed772 heimdal: Vendor import 7.7.0