Multibyte tests were all 'failing' because of change of

wording of 'relation does not exist' error message.  Update expected files
accordingly.

Author: tglsfdc

src/test/mb/expected/euc_cn.out

@@ -1,5 +1,5 @@
 QUERY: drop table ���������;
-ERROR:  Relation ��������� Does Not Exist!
+ERROR:  Relation '���������' does not exist
 QUERY: create table ���������(���� text, ����� varchar, ��ע1A char(16));
 QUERY: create index ���������index1 on ��������� using btree(����);
 QUERY: create index ���������index2 on ��������� using btree(�����);

src/test/mb/expected/euc_jp.out

@@ -1,5 +1,5 @@
 QUERY: drop table �׻����Ѹ�;
-ERROR:  Relation �׻����Ѹ� Does Not Exist!
+ERROR:  Relation '�׻����Ѹ�' does not exist
 QUERY: create table �׻����Ѹ� (�Ѹ� text, ʬ�ॳ���� varchar, ����1A���� char(16));
 QUERY: create index �׻����Ѹ�index1 on �׻����Ѹ� using btree (�Ѹ�);
 QUERY: create index �׻����Ѹ�index2 on �׻����Ѹ� using hash (ʬ�ॳ����);

src/test/mb/expected/euc_kr.out

@@ -1,5 +1,5 @@
 QUERY: drop table ͪߩѦ���;
-ERROR:  Relation ͪߩѦ��� Does Not Exist!
+ERROR:  Relation 'ͪߩѦ���' does not exist
 QUERY: create table ͪߩѦ��� (��� text, ��׾�ڵ� varchar, ���1A�� char(16));
 QUERY: create index ͪߩѦ���index1 on ͪߩѦ��� using btree (���);
 QUERY: create index ͪߩѦ���index2 on ͪߩѦ��� using hash (��׾�ڵ�);

src/test/mb/expected/euc_tw.out

@@ -1,5 +1,5 @@
 QUERY: drop table ��ٸ����;
-ERROR:  Relation ��ٸ���� Does Not Exist!
+ERROR:  Relation '��ٸ����' does not exist
 QUERY: create table ��ٸ���� (����ɱ text, ��Ƴ��� varchar, ���� varchar(16));
 QUERY: create index ��ٸ����index1 on ��ٸ���� using btree (����ɱ);
 QUERY: create index ��ٸ����index2 on ��ٸ���� using hash (��Ƴ���);

src/test/mb/expected/mule_internal.out

@@ -1,5 +1,5 @@
 QUERY: drop table ��ג�������ђ��;
-ERROR:  Relation ��ג�������ђ�� Does Not Exist!
+ERROR:  Relation '��ג�������ђ��' does not exist
 QUERY: create table ��ג�������ђ�� (��ђ�� text, �ʬ������������ varchar, ������1A������ char(16));
 QUERY: create index ��ג�������ђ��index1 on ��ג�������ђ�� using btree (��ђ��);
 QUERY: create index ��ג�������ђ��index2 on ��ג�������ђ�� using hash (�ʬ������������);
@@ -86,7 +86,7 @@ QUERY: select *,substring(
 (3 rows)
 
 QUERY: drop table ��Ƒ�㑻�������;
-ERROR:  Relation ��Ƒ�㑻������� Does Not Exist!
+ERROR:  Relation '��Ƒ�㑻�������' does not exist
 QUERY: create table ��Ƒ�㑻�������(������ text, ��֑����� varchar, ����ע1A char(16));
 QUERY: create index ��Ƒ�㑻�������index1 on ��Ƒ�㑻������� using btree(������);
 QUERY: create index ��Ƒ�㑻�������index2 on ��Ƒ�㑻������� using btree(��֑�����);
@@ -173,7 +173,7 @@ QUERY: select *,substring(
 (3 rows)
 
 QUERY: drop table �ͪ�ߩ�Ѧ��듾�;
-ERROR:  Relation �ͪ�ߩ�Ѧ��듾� Does Not Exist!
+ERROR:  Relation '�ͪ�ߩ�Ѧ��듾�' does not exist
 QUERY: create table �ͪ�ߩ�Ѧ��듾� (��듾� text, ��“׾��ړ�� varchar, ����1A��󓱸 char(16));
 QUERY: create index �ͪ�ߩ�Ѧ��듾�index1 on �ͪ�ߩ�Ѧ��듾� using btree (��듾�);
 QUERY: create index �ͪ�ߩ�Ѧ��듾�index2 on �ͪ�ߩ�Ѧ��듾� using hash (��“׾��ړ��);
@@ -260,7 +260,7 @@ QUERY: select *,substring(
 (3 rows)
 
 QUERY: drop table test;
-ERROR:  Relation test Does Not Exist!
+ERROR:  Relation 'test' does not exist
 QUERY: create table test (t text);
 QUERY: insert into test values('ENGLISH');
 QUERY: insert into test values('FRAN��AIS');

src/test/mb/expected/unicode.out

@@ -1,5 +1,5 @@
 QUERY: drop table 計算機用語;
-ERROR:  Relation 計算機用語 Does Not Exist!
+ERROR:  Relation '計算機用語' does not exist
 QUERY: create table 計算機用語 (用語 text, 分類コード varchar, 備考1Aだよ char(16));
 QUERY: create index 計算機用語index1 on 計算機用語 using btree (用語);
 QUERY: create index 計算機用語index2 on 計算機用語 using hash (分類コード);