Fixed #13459 -- Corrected numbering of tr elements in the admin. Reverts the...

Fixed #13459 -- Corrected numbering of tr elements in the admin. Reverts the changes introduced in r13068. Thanks to 3point2 for the report and patch.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@13083 bcc190cf-cafb-0310-a4f2-bffc1f526a37