[django/django] 9cbcd0: [1.6.x] Fixed #21405 -- Prevented queryset overwri...

[GitHub]

Branch: refs/heads/stable/1.6.x
Home: https://github.com/django/django
Commit: 9cbcd06b1adf5a505646f30898c3370d1c4ab726
https://github.com/django/django/commit/9cbcd06b1adf5a505646f30898c3370d1c4ab726
Author: Claude Paroz <cla...@2xlibre.net>
Date: 2013-11-21 (Thu, 21 Nov 2013)

Changed paths:
M django/contrib/admin/options.py
M docs/releases/1.6.1.txt
M tests/admin_ordering/tests.py

Log Message:
-----------
[1.6.x] Fixed #21405 -- Prevented queryset overwrite in BaseModelAdmin

Thanks gu...@20tab.com for the report and Tim Graham for the
analyze.
Backport of 1718b5256c from master.