Log Message:
security/munge: Update to 0.5.16

Major package improvements:

- Install init scripts for Linux, macOS, and NetBSD
- Create runtime directories with proper ownership and permissions
- Support use under non-priveleged pkgsrc trees
- Run daemon as munge rather than root, as recommended by upstream
- Catch up from several releases behind

Changes: https://github.com/dun/munge/releases