git: f1aa8e6d5147..bf3359d92128 - vendor/libarchive - vendor branch updated

[Martin Matuska]

The branch vendor/libarchive has been updated by mm:

URL: https://cgit.FreeBSD.org/src/log/?id=f1aa8e6d5147..bf3359d92128

bf3359d92128 Update vendor/libarchive to 3.8.4