branches/5.1:

Add the missing --reap statements in innodb_bug38231.test. Probably MySQL
enforced the presence of those recently and the test started failing like:

  main.innodb_bug38231                     [ fail ]
          Test ended at 2010-03-10 08:48:32
  
  CURRENT_TEST: main.innodb_bug38231
  mysqltest: At line 49: Cannot run query on connection between send and reap

mysql-test/innodb_bug38231.test

@@ -46,12 +46,15 @@ UNLOCK TABLES;
 # clean up
 
 -- connection con2
+-- reap
 UNLOCK TABLES;
 
 -- connection con3
+-- reap
 UNLOCK TABLES;
 
 -- connection default
+-- reap
 
 -- disconnect con1
 -- disconnect con2