FreeBSD_HEAD_arm64 - Build #2823 - Fixed

[jenkins-admin at FreeBSD.org]

FreeBSD_HEAD_arm64 - Build #2823 - Fixed:

Build information: https://jenkins.FreeBSD.org/job/FreeBSD_HEAD_arm64/2823/
Full change log: https://jenkins.FreeBSD.org/job/FreeBSD_HEAD_arm64/2823/changes
Full build log: https://jenkins.FreeBSD.org/job/FreeBSD_HEAD_arm64/2823/console

Change summaries:

297733 by bz:
Try to unbreak the build: the 'vap' variable is only used if ieee80211
debugging compile is on.

297732 by bz:
Make the KASSERT message in hash destroy more informative.
While the pointer might not be too helpful, the malloc type might at
least give a good hint about which hashtbl we are talking.

MFC after:	2 weeks
Sponsored by:	The FreeBSD Foundation
Reviewed by:	gnn, emaste
Differential Revision:	https://reviews.freebsd.org/D5802