Add missing delimiter in subselect test

mysql-test/r/subselect.result:
  Add missing semicolon delimiter and junk caused by that
mysql-test/t/subselect.test:
  Add missing semicolon delimiter

mysql-test/r/subselect.result

@@ -2717,8 +2717,7 @@ select (1,2,3) = (select * from t1);
 ERROR 21000: Operand should contain 3 column(s)
 select (select * from t1) = (1,2,3);
 ERROR 21000: Operand should contain 2 column(s)
-drop table t1
-#;
+drop table t1;
 CREATE TABLE `t1` (
 `itemid` bigint(20) unsigned NOT NULL auto_increment,
 `sessionid` bigint(20) unsigned default NULL,

mysql-test/t/subselect.test

@@ -1728,7 +1728,7 @@ select (select a from t1) = (1,2);
 select (1,2,3) = (select * from t1);
 -- error 1241
 select (select * from t1) = (1,2,3);
-drop table t1
+drop table t1;
 
 #
 # Item_int_with_ref check (BUG#10020)