kern/81943: [patch] _assert_sbuf_integrity causes panic for zero length buffer

[Tilman Linneweh]

Synopsis: [patch] _assert_sbuf_integrity causes panic for zero length buffer

Responsible-Changed-From-To: freebsd-bugs->des
Responsible-Changed-By: arved
Responsible-Changed-When: Mon Jun 6 16:00:58 GMT 2005
Responsible-Changed-Why: 
Over to des, as he made the most commits to subr_sbuf.c and is also
involved into procfs.

http://www.freebsd.org/cgi/query-pr.cgi?pr=81943