Changed django.core.management.get_sql_delete to be more robust when many-to-many tables don't exist
Changed django.core.management.get_sql_delete to be more robust when many-to-many tables don't exist

--HG--
extra : convert_revision : svn%3Abcc190cf-cafb-0310-a4f2-bffc1f526a37/django/trunk%40330

Belgabor/django,Belgabor/django,adieu/django-nonrel,adieu/django-nonrel,adieu/django-nonrel,Belgabor/django