net/krill: Update to 0.16.0
While here:
- do not install same program configuration twice.
- use .for loop instead for ${INSTALL_MAN}.
Changelog:
https://github.com/NLnetLabs/krill/releases/tag/v0.16.0
PR: 293598
Reported by: Jaap Akkerhuis <jaap@NLnetLabs.nl> (maintainer)
Approved by: maintainer, vvd (mentor)