big change to devfs rules path matching

[Jaakko Heinonen]

On 2013-03-28, Andriy Gapon wrote:
> > Would like to ask for opinions on this topic...
> > Please read this PR for context:
> > http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/122838
> 
> So I would like to commit the following patch sooner rather than later:

I have revised the patch slightly:

	http://people.freebsd.org/~jh/patches/devfs-rule-fullpath.3.diff

There is no functional change. I intend to commit the patch soon.

-- 
Jaakko