Fixed #10922 -- Corrected handling of POST data to ensure that the right...

Fixed #10922 -- Corrected handling of POST data to ensure that the right objects are updated on save when the ordering field is editable. Thanks to Alex Gaynor, Karen Tracy, and Will Hardy for their contributions to this patch.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@11160 bcc190cf-cafb-0310-a4f2-bffc1f526a37