Fixed #14803 -- Corrected an inconsistency in redirection handling between...

Fixed #14803 -- Corrected an inconsistency in redirection handling between old-style generic views and class-based views. Thanks to gg for the report and patch.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@14808 bcc190cf-cafb-0310-a4f2-bffc1f526a37