Fix for mysqltest.test failing with mysql-test-run.pl and --ps-protocol

mysql-test/r/mysqltest.result:
  Update test result
mysql-test/t/mysqltest.test:
  Disable ps_protocol for multi statement

mysql-test/r/mysqltest.result

@@ -391,7 +391,7 @@ root@localhost
 --------------------------------------------------------------------------------
 this will be executed
 this will be executed
-mysqltest: At line 2: query 'create table t1 (a int primary key);
+mysqltest: At line 3: query 'create table t1 (a int primary key);
 insert into t1 values (1);
 select 'select-me';
 insertz 'error query'' failed: 1064: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'insertz 'error query'' at line 1

mysql-test/t/mysqltest.test

@@ -953,7 +953,9 @@ select "this will be executed";
 #
 
 # Failing multi statement query
---exec echo "delimiter ||||;"                          > var/tmp/bug11731.sql
+# PS does not support multi statement
+--exec echo "--disable_ps_protocol"                    > var/tmp/bug11731.sql
+--exec echo "delimiter ||||;"                         >> var/tmp/bug11731.sql
 --exec echo "create table t1 (a int primary key);"    >> var/tmp/bug11731.sql
 --exec echo "insert into t1 values (1);"              >> var/tmp/bug11731.sql
 --exec echo "select 'select-me';"                     >> var/tmp/bug11731.sql
@@ -973,7 +975,9 @@ drop table t1;
 
 
 # Using expected error
---exec echo "delimiter ||||;"                          > var/tmp/bug11731.sql
+# PS does not support multi statement
+--exec echo "--disable_ps_protocol"                    > var/tmp/bug11731.sql
+--exec echo "delimiter ||||;"                         >> var/tmp/bug11731.sql
 --exec echo "--error 1064"                            >> var/tmp/bug11731.sql
 --exec echo "create table t1 (a int primary key);"    >> var/tmp/bug11731.sql
 --exec echo "insert into t1 values (1);"              >> var/tmp/bug11731.sql