Alexander Motin e1cf70fbab Fix hrtimer_active() in case of cancellation.
While there, switch to FreeBSD internal callout active status.

Reviewed by:	markj, hselasky
Sponsored by:	iXsystems, Inc.
Differential Revision:	https://reviews.freebsd.org/D11900
2017-08-07 14:34:05 +00:00
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