K 10
svn:author
V 6
emaste
K 8
svn:date
V 27
2018-10-23T13:07:03.775611Z
K 7
svn:log
V 387
ar: report errno on warning/error

Previously ar would report an error like "ar: fatal: Write error"
without including additional errno information.  Change warnings and
errors to include archive_errno() so that the user may have some idea
of the reason for the failure.

Reviewed by:	brooks
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D17650

END