sphinx.union-5539 and sphinx.sphinx fail in buildbot and outside

sphinx.union-5539                        [ fail ]

        Test ended at 2016-10-09 17:24:41

CURRENT_TEST: sphinx.union-5539

--- /data/releases/mariadb-10.1.17-linux-glibc_214-x86_64/mysql-test/plugin/sphinx/sphinx/union-5539.result	2016-08-29 17:38:56.000000000 +0300

+++ /data/releases/mariadb-10.1.17-linux-glibc_214-x86_64/mysql-test/plugin/sphinx/sphinx/union-5539.reject	2016-10-09 17:24:41.368601488 +0300

@@ -5,10 +5,12 @@

 2	1	;mode=extended2;limit=1000000;maxmatches=500

 3	1	;mode=extended2;limit=1000000;maxmatches=500

 4	1	;mode=extended2;limit=1000000;maxmatches=500

+5	1	;mode=extended2;limit=1000000;maxmatches=500

 SELECT a.* FROM (SELECT * FROM ts si WHERE si.query='@* 123nothingtofind123;mode=extended2;limit=1000000;maxmatches=500') AS a UNION SELECT b.* FROM (SELECT * FROM ts si WHERE si.query=';mode=extended2;limit=1000000;maxmatches=500') AS b;

 id	w	query

 1	1	;mode=extended2;limit=1000000;maxmatches=500

 2	1	;mode=extended2;limit=1000000;maxmatches=500

 3	1	;mode=extended2;limit=1000000;maxmatches=500

 4	1	;mode=extended2;limit=1000000;maxmatches=500

+5	1	;mode=extended2;limit=1000000;maxmatches=500

 drop table ts;