tls certificates: support more BSDs

- add support for freebsd, netbsd, dragonfly
- refactor rescanOpenBSD -> rescanBSD
- make os-specific rescan*() non-public

closes #16279
fc9ab5f0e8Michael Dusan committed on 7/3/2023, 2:24:37 AM· committed by Andrew Kelleyparent689f316
1 file changedLine totals unavailable