Gordon Tetlow fd750dbd4c Diff reduction to NetBSD:
Fix a minor grammer nit.
Get rid of _echo that uses logger and just call logger in the 3 routines
that need it.
Add a comment referencing rc.conf(5) in the case of an incorrectly set
variable.

This pulls rc.subr up to 1.51 of rc.subr. I skipped 1.49 (systrace support)
since I don't have systrace.

Obtained from:	NetBSD
2002-11-08 17:06:15 +00:00
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