bin/94635: snapinfo(8)/libufs only works for disk-backed filesystems

[linimon at FreeBSD.org]

Synopsis: snapinfo(8)/libufs only works for disk-backed filesystems

Responsible-Changed-From-To: marks->freebsd-bugs
Responsible-Changed-By: linimon
Responsible-Changed-When: Mon Sep 29 14:32:23 UTC 2008
Responsible-Changed-Why: 
marks has returned his bit for safekeeping.

http://www.freebsd.org/cgi/query-pr.cgi?pr=94635