K 10
svn:author
V 3
kib
K 8
svn:date
V 27
2017-03-17T13:37:37.317919Z
K 7
svn:log
V 145
When clearing altsigstack settings on exec, do it to the right thread.

Diagnosed by:	smh
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week

END