Fix for [108], where ForeignKeys weren't being --add-field'd correctly.
Fix for [108], where ForeignKeys weren't being --add-field'd correctly.

--HG--
extra : convert_revision : svn%3A69d324d9-c39d-4fdc-8679-7745eae9e2c8/trunk%40109

theatlantic/django-south,theatlantic/django-south