Added order by for failing ps_7ndb test

mysql-test/include/ps_query.inc

@@ -300,7 +300,7 @@ set @arg00=1;
 prepare stmt1 from ' select a,b from t1 order by a
 limit 1 ';
 execute stmt1 ;
-prepare stmt1 from ' select a,b from t1 limit ? ';
+prepare stmt1 from ' select a,b from t1 order by a limit ? ';
 execute stmt1 using @arg00;
 
 ##### parameter used in many places

mysql-test/r/ps_2myisam.result

@@ -444,7 +444,7 @@ limit 1 ';
 execute stmt1 ;
 a	b
 1	one
-prepare stmt1 from ' select a,b from t1 limit ? ';
+prepare stmt1 from ' select a,b from t1 order by a limit ? ';
 execute stmt1 using @arg00;
 a	b
 1	one

mysql-test/r/ps_3innodb.result

@@ -444,7 +444,7 @@ limit 1 ';
 execute stmt1 ;
 a	b
 1	one
-prepare stmt1 from ' select a,b from t1 limit ? ';
+prepare stmt1 from ' select a,b from t1 order by a limit ? ';
 execute stmt1 using @arg00;
 a	b
 1	one

mysql-test/r/ps_4heap.result

@@ -445,7 +445,7 @@ limit 1 ';
 execute stmt1 ;
 a	b
 1	one
-prepare stmt1 from ' select a,b from t1 limit ? ';
+prepare stmt1 from ' select a,b from t1 order by a limit ? ';
 execute stmt1 using @arg00;
 a	b
 1	one

mysql-test/r/ps_5merge.result

@@ -487,7 +487,7 @@ limit 1 ';
 execute stmt1 ;
 a	b
 1	one
-prepare stmt1 from ' select a,b from t1 limit ? ';
+prepare stmt1 from ' select a,b from t1 order by a limit ? ';
 execute stmt1 using @arg00;
 a	b
 1	one
@@ -3499,7 +3499,7 @@ limit 1 ';
 execute stmt1 ;
 a	b
 1	one
-prepare stmt1 from ' select a,b from t1 limit ? ';
+prepare stmt1 from ' select a,b from t1 order by a limit ? ';
 execute stmt1 using @arg00;
 a	b
 1	one

mysql-test/r/ps_6bdb.result

@@ -444,7 +444,7 @@ limit 1 ';
 execute stmt1 ;
 a	b
 1	one
-prepare stmt1 from ' select a,b from t1 limit ? ';
+prepare stmt1 from ' select a,b from t1 order by a limit ? ';
 execute stmt1 using @arg00;
 a	b
 1	one

mysql-test/r/ps_7ndb.result

@@ -444,10 +444,10 @@ limit 1 ';
 execute stmt1 ;
 a	b
 1	one
-prepare stmt1 from ' select a,b from t1 limit ? ';
+prepare stmt1 from ' select a,b from t1 order by a limit ? ';
 execute stmt1 using @arg00;
 a	b
-3	three
+1	one
 set @arg00='b' ;
 set @arg01=0 ;
 set @arg02=2 ;