Pull up following revision(s) (requested by kre in ticket #689):
etc/rc.subr: revision 1.101

PR misc/53145 (Bruce Lilly)

Use ps -A instead of ps -ax (-A means -ax, but -A is posix, -x is not)
Use ps -o args instead of ps -o command (same reason).

This makes no difference when the ps used is /bin/ps on NetBSD, but
can make a difference when some other ps command gets invoked instead.

XXX pullup -8

(martin)