MDEV-32551: Fix engines/funcs.rpl_session_var

MDEV-32551 changed rpl/t/rpl_session_var.test to show its
semi-sync status, as it added a semi-sync version of the
test (rpl_session_var2). The result was re-recorded in the
rpl suite, but there is an engines/funcs counter-part result
file that uses the same .test file which also needed to be
re-recorded.

mysql-test/suite/engines/funcs/r/rpl_session_var.result

 include/master-slave.inc
 [connection master]
+select @@rpl_semi_sync_master_enabled;
+@@rpl_semi_sync_master_enabled
+0
+connection slave;
+select @@rpl_semi_sync_slave_enabled;
+@@rpl_semi_sync_slave_enabled
+0
+show status like "rpl_semi_sync_slave_status";
+Variable_name	Value
+Rpl_semi_sync_slave_status	OFF
+connection master;
 drop table if exists t1;
 Warnings:
 Note	1051	Unknown table 'test.t1'