improved rename:DELETE test

Author: Shlomi Noach

localtests/rename/create.sql

@@ -20,7 +20,7 @@ begin
   insert ignore into gh_ost_test values (2, 13, 23);
   insert into gh_ost_test values (null, 17, 23);
   set @last_insert_id := last_insert_id();
-  update gh_ost_test set c1=c1+@last_insert_id, c2=c2+@last_insert_id where id = @last_insert_id order by id desc limit 1;
+  update gh_ost_test set c1=c1+@last_insert_id, c2=c2+@last_insert_id where id=@last_insert_id order by id desc limit 1;
   delete from gh_ost_test where id=1;
-  delete from gh_ost_test where c1=11; -- id=2
+  delete from gh_ost_test where c1=13; -- id=2
 end ;;