git: d0dbd88ba985..91ee6b45e4ef - vendor/libarchive - vendor branch updated

[Martin Matuska]

The branch vendor/libarchive has been updated by mm:

URL: https://cgit.FreeBSD.org/src/log/?id=d0dbd88ba985..91ee6b45e4ef

91ee6b45e4ef Update vendor/libarchive to libarchive/libarchive@6c3301111