Silence another create_index regression test failure.

More platform differences in the less-significant digits in output.

Per buildfarm member rover_firefly, still.

src/test/regress/expected/create_index.out

@@ -1207,7 +1207,7 @@ SELECT * FROM gpolygon_tbl ORDER BY f1 <-> '(0,0)'::point LIMIT 10;
 (10 rows)
 
 EXPLAIN (COSTS OFF)
-SELECT * FROM gcircle_tbl ORDER BY f1 <-> '(200,300)'::point LIMIT 10;
+SELECT circle_center(f1), round(radius(f1)) as radius FROM gcircle_tbl ORDER BY f1 <-> '(200,300)'::point LIMIT 10;
                     QUERY PLAN                     
 ---------------------------------------------------
  Limit
@@ -1215,19 +1215,19 @@ SELECT * FROM gcircle_tbl ORDER BY f1 <-> '(200,300)'::point LIMIT 10;
          Order By: (f1 <-> '(200,300)'::point)
 (3 rows)
 
-SELECT * FROM gcircle_tbl ORDER BY f1 <-> '(200,300)'::point LIMIT 10;
-                f1                 
------------------------------------
- <(288.5,407),68.2367203197809>
- <(710.5,175),49.9624859269432>
- <(323.5,1433),51.4417145903983>
- <(927.5,1178.5),30.4384625104489>
- <(1395,373.5),57.1948424248201>
- <(1555.5,1007),52.7091073724456>
- <(217,1835),44.5982062419555>
- <(489,2421.5),22.3886131772381>
- <(2424,120.5),39.5>
- <(751.5,2655),20.4022057631032>
+SELECT circle_center(f1), round(radius(f1)) as radius FROM gcircle_tbl ORDER BY f1 <-> '(200,300)'::point LIMIT 10;
+ circle_center  | radius 
+----------------+--------
+ (288.5,407)    |     68
+ (710.5,175)    |     50
+ (323.5,1433)   |     51
+ (927.5,1178.5) |     30
+ (1395,373.5)   |     57
+ (1555.5,1007)  |     53
+ (217,1835)     |     45
+ (489,2421.5)   |     22
+ (2424,120.5)   |     40
+ (751.5,2655)   |     20
 (10 rows)
 
 -- Now check the results from bitmap indexscan

src/test/regress/sql/create_index.sql

@@ -446,8 +446,8 @@ SELECT * FROM gpolygon_tbl ORDER BY f1 <-> '(0,0)'::point LIMIT 10;
 SELECT * FROM gpolygon_tbl ORDER BY f1 <-> '(0,0)'::point LIMIT 10;
 
 EXPLAIN (COSTS OFF)
-SELECT * FROM gcircle_tbl ORDER BY f1 <-> '(200,300)'::point LIMIT 10;
-SELECT * FROM gcircle_tbl ORDER BY f1 <-> '(200,300)'::point LIMIT 10;
+SELECT circle_center(f1), round(radius(f1)) as radius FROM gcircle_tbl ORDER BY f1 <-> '(200,300)'::point LIMIT 10;
+SELECT circle_center(f1), round(radius(f1)) as radius FROM gcircle_tbl ORDER BY f1 <-> '(200,300)'::point LIMIT 10;
 
 -- Now check the results from bitmap indexscan
 SET enable_seqscan = OFF;