[BUGFIX] Calls aout modifyModlist again.

the revert commit had changed this back again...

hshetl/loaders.py

@@ -379,7 +379,7 @@ class LdapLoader(AbstractLoader):
             dict_data = record.to_dict()
             entity_dict = self._prepare_data(dict_data)
             dn = self._get_dn(record.get_container_identifier(), dict_data)
-            attributes = modlist.modifyModlist(old_entity_dict, entity_dict)
+            attributes = self.modifyModlist(old_entity_dict, entity_dict)
             try:
                 if self.dry:
                     logging.info('Would modify dn {} with {} '.format(dn, self._generate_modify_logging(attributes, old_entity_dict, entity_dict)))