Recommendations for vm.overcommit_memory & vm.overcommit_ratio on FreeBSD

[vmato]

Expected Behavior

Recommendations only for really existing oids

Current Behavior

Recommends setting of vm.overcommit_memory and vm.overcommit_ratio which dose not exist in FreeBSD

Steps to Reproduce (for bugs)

1. Run on FreeBSD

Your Environment

• Version used: postgresqltuner.pl version 1.0.1
• PostgreSQL version: 13.9
• Operating System and version: FreeBSD 13.1-RELEASE-p6