Fix typo in exception name

This exception should be the same as all the others.

Author: xenophonf

src/satosa/micro_services/ldap_attribute_store.py

@@ -268,7 +268,7 @@ def _ldap_connection_factory(self, config):
         except LDAPException as e:
             msg = "Caught exception when connecting to LDAP server: {}".format(e)
             satosa_logging(logger, logging.ERROR, msg, None)
-            raise AttributeStoreError(msg)
+            raise LdapAttributeStoreError(msg)
 
         satosa_logging(logger, logging.DEBUG, "Successfully connected to LDAP server", None)