[1.0.X] Fixed #11311 -- Reverted [10952], Refs #10785. Changeset [10952]...

[1.0.X] Fixed #11311 -- Reverted [10952], Refs #10785. Changeset [10952] caused problems with m2m relations between models that had non-integer primary keys. Thanks to Ronny for the report and test case.


git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.0.X@11008 bcc190cf-cafb-0310-a4f2-bffc1f526a37