git: e63540eed295..4dfc0fa2870c - vendor/bc - vendor branch updated

[Stefan Eßer]

The branch vendor/bc has been updated by se:

URL: https://cgit.FreeBSD.org/src/log/?id=e63540eed295..4dfc0fa2870c

4dfc0fa2870c vendor/bc: import release 5.2.2