another try at keeping AIX/ppc happy on cube test.

contrib/cube/expected/cube_1.out

@@ -1054,21 +1054,21 @@ CREATE INDEX test_cube_ix ON test_cube USING gist (c);
 SELECT * FROM test_cube	WHERE c && '(3000,1000),(0,0)' ORDER BY c;
             c             
 --------------------------
- (1594, 1043),(1517, 971)
  (337, 455),(240, 359)
+ (1594, 1043),(1517, 971)
  (1444, 403),(1346, 344)
- (759, 187),(662, 163)
  (2424, 160),(2424, 81)
+ (759, 187),(662, 163)
 (5 rows)
 
 -- Test sorting 
 SELECT * FROM test_cube	WHERE c && '(3000,1000),(0,0)' GROUP BY c ORDER BY c;
             c             
 --------------------------
- (1594, 1043),(1517, 971)
  (337, 455),(240, 359)
+ (1594, 1043),(1517, 971)
  (1444, 403),(1346, 344)
- (759, 187),(662, 163)
  (2424, 160),(2424, 81)
+ (759, 187),(662, 163)
 (5 rows)