[Postgres-xc-general] fix json regression on head

[Jov <am...@am...>]

diff --git a/src/test/regress/expected/json_1.out b/src/test/regress/expected/json_1.out
index befe47d..04efaaa 100644
--- a/src/test/regress/expected/json_1.out
+++ b/src/test/regress/expected/json_1.out
@@ -386,7 +386,7 @@ CREATE TEMP TABLE rows AS
 SELECT x, 'txt' || x as y
 FROM generate_series(1,3) AS x;
 SELECT row_to_json(q,true)
-FROM rows q;
+FROM rows q order by x;
  row_to_json  
 --------------
  {"x":1,     +