Bug#822471: Pending fixes for bugs in the prometheus package

[pkg-go-maintainers]

tag 822471 + pending
thanks

Some bugs in the prometheus package are closed in revision
852efbf0446fd3d30a30642fba25fc02de4c8c44 in branch 'debian/sid' by
Martín Ferrari

The full diff can be seen at
https://anonscm.debian.org/cgit/pkg-go/packages/prometheus.git/commit/?id=852efbf

Commit message:

    Fix default configuration file. Closes: #822471.