conf/178760: rc.d/jail: set jname at jail start time

[crees at FreeBSD.org]

Synopsis: rc.d/jail: set jname at jail start time

State-Changed-From-To: open->closed
State-Changed-By: crees
State-Changed-When: Sat May 25 16:40:04 UTC 2013
State-Changed-Why: 
On closer inspection, the jail name is set since r238102, which was
merged to stable/9.  Unfortunately it didn't make 9.1-R.  Thanks for the
patch however.

http://www.freebsd.org/cgi/query-pr.cgi?pr=178760