[1.2.X] Fixed #14033 -- Fixed another problem with xrefs and Sphinx 1.X in the...

[1.2.X] Fixed #14033 -- Fixed another problem with xrefs and Sphinx 1.X in the Django doc extension. Thanks for the report and patch, Ramiro Morales and Georg Brandl.

Backport of r13602 from trunk.

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.2.X@13603 bcc190cf-cafb-0310-a4f2-bffc1f526a37