kern/157684: [nfs] NFSv4 ignoring "-ro" option in exports file

[linimon at FreeBSD.org]

Old Synopsis: NFSv4 ignoring "-ro" option in exports file
New Synopsis: [nfs] NFSv4 ignoring "-ro" option in exports file

Responsible-Changed-From-To: freebsd-bugs->freebsd-fs
Responsible-Changed-By: linimon
Responsible-Changed-When: Thu Jun 9 02:40:15 UTC 2011
Responsible-Changed-Why: 
Fix synopsis and assign.

http://www.freebsd.org/cgi/query-pr.cgi?pr=157684