Fix incorrect error message when schema-CREATE permission is absent.

Report by me.  Fix by KaiGai Kohei.

src/backend/commands/alter.c

@@ -632,7 +632,7 @@ AlterObjectOwner_internal(Relation rel, Oid objectId, Oid new_ownerId)
 				aclresult = pg_namespace_aclcheck(namespaceId, new_ownerId,
 												  ACL_CREATE);
 				if (aclresult != ACLCHECK_OK)
-					aclcheck_error(aclresult, aclkind,
+					aclcheck_error(aclresult, ACL_KIND_NAMESPACE,
 								   get_namespace_name(namespaceId));
 			}
 		}