K 10
svn:author
V 3
kib
K 8
svn:date
V 27
2014-09-03T08:35:42.117323Z
K 7
svn:log
V 210
Retire thread_unthread(), it has only one caller.  Update comment in
the block of code before the previous call to thread_unthread().

Discussed with:	alc
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week

END