git: d8c4a69b5b12..b1cbac9ff49d - vendor/Juniper/libxo - vendor branch updated

From: Phil Shafer <phil_at_FreeBSD.org>
Date: Fri, 27 Jan 2023 06:34:33 UTC
The branch vendor/Juniper/libxo has been updated by phil:

URL: https://cgit.FreeBSD.org/src/log/?id=d8c4a69b5b12..b1cbac9ff49d

b1cbac9ff49d Vendor import of NetBSD's mtree at 2020-12-11