[Bug 233874] cron should only read '*.conf' files in the cron.d directories.

[b***@freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=233874

Bug ID: 233874
Summary: cron should only read '*.conf' files in the cron.d
directories.
Product: Base System
Version: CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: bin
Assignee: ***@FreeBSD.org
Reporter: ***@FreeBSD.org
Flags: mfc-stable12?

This is so that .sample files installed by ports can be ignored.