[1.0.X] Fixed #9718 -- Removed a reference to oldforms FormWrapper? object in...

[1.0.X] Fixed #9718 -- Removed a reference to oldforms FormWrapper? object in the user authentication docs.

Backport of r9595 from trunk.


git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.0.X@9596 bcc190cf-cafb-0310-a4f2-bffc1f526a37