kern/151194: make delete-old "Syntax error"

[arundel at FreeBSD.org]

Synopsis: make delete-old "Syntax error"

State-Changed-From-To: open->closed
State-Changed-By: arundel
State-Changed-When: Sun Oct 24 02:39:09 UTC 2010
State-Changed-Why: 
Close this PR, since it's very likely that the issue has either been fixed or
the user had some kind of file corruption in /usr/src

http://www.freebsd.org/cgi/query-pr.cgi?pr=151194