K 10
svn:author
V 2
cy
K 8
svn:date
V 27
2022-12-01T14:27:14.634975Z
K 7
svn:log
V 520
heimdal: The version string must always contain a terminating NUL

Should the sender send a string without a terminating NUL, ensure that
the NUL terminates the string regardless.

And while at it only process the version string when bytes are returned.

PR:		267884
Reported by:	Robert Morris <rtm@lcs.mit.edu>
Differential Revision:	https://reviews.freebsd.org/D37471

(cherry picked from commit d7e8666ffb9967a92709a2d2ded4d31568ab1473)

Git Hash:   8d3c6e82cdcac5fa31836df6d3d067efd2e0e3bc
Git Author: cy@FreeBSD.org
END