#267 fix mdev5932 test and result

mysql-test/suite/tokudb.bugs/r/mdev5932.result

 drop table if exists t1,t2;
 drop table if exists t1i,t2i;
+drop table if exists tsub,t3;
 CREATE TABLE t1 (a CHAR(3), INDEX(a)) ENGINE=TokuDB;
 INSERT INTO t1 VALUES ('foo'),( NULL);
 SELECT * FROM t1 WHERE 'bar' NOT IN ( SELECT t1_1.a FROM t1 AS t1_1, t1 AS t1_2 );

mysql-test/suite/tokudb.bugs/t/mdev5932.test

@@ -4,6 +4,7 @@ source include/have_innodb.inc;
 disable_warnings;
 drop table if exists t1,t2;
 drop table if exists t1i,t2i;
+drop table if exists tsub,t3;
 enable_warnings;
 
 CREATE TABLE t1 (a CHAR(3), INDEX(a)) ENGINE=TokuDB;