Fixed #11709 — Pass inline fk_name attribute when grabbing foreign key to test...

Fixed #11709 — Pass inline fk_name attribute when grabbing foreign key to test for exclusion. Thanks yishaibeeri for the report.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@11630 bcc190cf-cafb-0310-a4f2-bffc1f526a37