Fix for char_length() changes

Author: tatsuo-ishii

src/test/regress/expected/euc_jp.out

@@ -54,11 +54,11 @@ select * from 
 (2 rows)
 
 select *,character_length(�Ѹ�) from �׻����Ѹ�;
-            �Ѹ�            | ʬ�ॳ���� | ����1a���� | length 
-----------------------------+------------+------------+--------
- ����ԥ塼���ǥ����ץ쥤   | ��A01��    |            |     12
- ����ԥ塼������ե��å��� | ʬB10��    |            |     13
- ����ԥ塼���ץ�����ޡ�   | ��Z01��    |            |     12
+            �Ѹ�            | ʬ�ॳ���� | ����1a���� | char_length 
+----------------------------+------------+------------+-------------
+ ����ԥ塼���ǥ����ץ쥤   | ��A01��    |            |          12
+ ����ԥ塼������ե��å��� | ʬB10��    |            |          13
+ ����ԥ塼���ץ�����ޡ�   | ��Z01��    |            |          12
 (3 rows)
 
 select *,octet_length(�Ѹ�) from �׻����Ѹ�;