K 10
svn:author
V 5
jamie
K 8
svn:date
V 27
2011-08-26T16:03:34.449568Z
K 7
svn:log
V 360
Delay the recursive decrement of pr_uref when jails are made invisible
but not removed; decrement it instead when the child jail actually
goes away. This avoids letting the counter go below zero in the case
where dying (pr_uref==0) jails are "resurrected", and an associated
KASSERT panic.

Submitted by:	Steven Hartland
Approved by:	re (bz)
MFC after:	1 week

END