Adjust expected regression outputs for plan changes caused by recent

'fuzzy cost comparison' patch.  Mea culpa for not having noticed this
when I committed the patch.

src/test/regress/expected/rules.out

@@ -1124,8 +1124,8 @@ insert into shoelace values ('sl10', 1000, 'magenta', 40.0, 'inch', 0.0);
 SELECT * FROM shoelace_obsolete;
   sl_name   | sl_avail |  sl_color  | sl_len | sl_unit  | sl_len_cm 
 ------------+----------+------------+--------+----------+-----------
- sl9        |        0 | pink       |     35 | inch     |      88.9
  sl10       |     1000 | magenta    |     40 | inch     |     101.6
+ sl9        |        0 | pink       |     35 | inch     |      88.9
 (2 rows)
 
 SELECT * FROM shoelace_candelete;