ER_SQL_DISCOVER_ERROR from Federated engine, when table has columns of geometry types

--source include/have_innodb.inc 

--source include/have_sequence.inc 

INSTALL SONAME 'ha_federatedx';

eval CREATE SERVER fedlink FOREIGN DATA WRAPPER mysql OPTIONS (USER 'root', HOST '127.0.0.1', DATABASE 'test', PORT $MASTER_MYPORT);

CREATE TABLE t ( a linestring);

CREATE TABLE t_fed ENGINE=FEDERATED CONNECTION='fedlink/t';

show create table t_fed;

DROP TABLE t_fed, t;

UNINSTALL SONAME 'ha_federatedx';

 query 'CREATE TABLE t_fed ENGINE=FEDERATED CONNECTION='fedlink/t'' failed: ER_SQL_DISCOVER_ERROR (1939): Engine FEDERATED failed to discover table `test`.`t_fed` with 'CREATE TABLE `t` (

  `a` linestring DEFAULT NULL

) CONNECTION='fedlink/t''