Doc tests: extra /head in links

[Garrett Cooper]

> On Feb 14, 2015, at 07:32, Warren Block <wblock at wonkity.com> wrote:
> 
> On https://jenkins.freebsd.org/job/FreeBSD_DOC/1023/changes
> 
> The "Path in Repository" and "(diff)" links have a repeated "/head". So the first is
> 
> http://svnweb.freebsd.org/doc/head/head/en_US.ISO8859-1/books/porters-handbook/versions/chapter.xml
> 
> but should be
> 
> http://svnweb.freebsd.org/doc/head/en_US.ISO8859-1/books/porters-handbook/versions/chapter.xml
> 
> I can enter a PR for this if that is preferred.  Thanks!

Please do.
Thanks :)..