ports-mgmt/pkg: update to 1.17.2

• make audit.h c++ friendly
• fix build with libressl
• autoremove now respects -q
• version: reports error if INDEX file does not exists but is expected
• periodic audit:
  • Allow user to specify which jail not to audit
  • New option to ignore deprecation and expiration warnings
  • Reduce verbosity of the report
  • Add a script to audit base
• register: implement -N to actually not register in the database
• fetch: do not count cached package in the list to be fetched
• query: -e is not supported as additional condition
• fix pkg not finding its db when run from a directory which does not exists anymore
• De-prioritize upgrade-removals in the solver
• triggers:
  • run them for pkg register and pkg add
  • Add pkg.readdir lua function
  • Add documentation for the triggers