Fixed #14014 -- Ensure that the "save and add another" button for users...

Fixed #14014 -- Ensure that the "save and add another" button for users actually does what it says. Thanks to Ramiro for the report.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@13503 bcc190cf-cafb-0310-a4f2-bffc1f526a37