Fixed #2828, a TypeError when deleting objects with m2m relations to self.  Thanks, Brian Beck.
Fixed #2828, a TypeError when deleting objects with m2m relations to self.  Thanks, Brian Beck.

git-svn-id: 4f9f921b081c523744c7bf24d959a0db39629563@4616 bcc190cf-cafb-0310-a4f2-bffc1f526a37

alex/django-old,disqus/django-old,alex/django-old,bfirsh/django-old,skevy/django,jamespacileo/django-france,sam-tsai/django-old,alex/django-old,django-nonrel/django-nonrel,sam-tsai/django-old,jamespacileo/django-france,t11e/django,mitsuhiko/django,jamespacileo/django-france,mitsuhiko/django,disqus/django-old,Smarsh/django,dcramer/django-compositepks,dcramer/django-compositepks,t11e/django,hugs/django,skevy/django,sam-tsai/django-old,Instagram/django,django-nonrel/django-nonrel,dcramer/django-compositepks,disqus/django-old,Instagram/django,hugs/django,sam-tsai/django-old,bfirsh/django-old,Smarsh/django,django-nonrel/django-nonrel,Smarsh/django,t11e/django,Instagram/django,bfirsh/django-old,mitsuhiko/django,hugs/django,skevy/django,Smarsh/django