queryset-refactor: Fixed a typo that was shown up by some simplification refactoring.

git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@7460 bcc190cf-cafb-0310-a4f2-bffc1f526a37

Author: malcolmt

django/db/models/sql/where.py

@@ -61,7 +61,7 @@ def as_sql(self, node=None, qn=None):
                     sql, params = self.make_atom(child, qn)
                     format = '%s'
             except EmptyResultSet:
-                if self.connector == AND and not node.negated:
+                if node.connector == AND and not node.negated:
                     # We can bail out early in this particular case (only).
                     raise
                 elif node.negated: