Fixed #12759 -- Fixed the iterator method on psycopg1 cursors, which was...

Fixed #12759 -- Fixed the iterator method on psycopg1 cursors, which was preventing the raw_query tests from passing.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@12845 bcc190cf-cafb-0310-a4f2-bffc1f526a37