branches/zip: innodb-index.test: Drop all created tables at the end.

mysql-test/innodb-index.result

@@ -964,3 +964,4 @@ t1	CREATE TABLE `t1` (
   KEY `t1t` (`t`(1)),
   KEY `t1st` (`s`(1),`t`(1))
 ) ENGINE=InnoDB DEFAULT CHARSET=latin1
+drop table t1;

mysql-test/innodb-index.test

@@ -355,3 +355,4 @@ create index t1u on t1 (u(1));
 create index t1ut on t1 (u(1), t(1));
 create index t1st on t1 (s(1), t(1));
 show create table t1;
+drop table t1;