Merge perch.ndb.mysql.com:/home/jonas/src/mysql-5.1-new

into  perch.ndb.mysql.com:/home/jonas/src/51-new


storage/ndb/src/kernel/blocks/dblqh/DblqhMain.cpp:
  Auto merged

storage/ndb/src/kernel/blocks/dblqh/DblqhMain.cpp

@@ -6704,10 +6704,6 @@ void Dblqh::execACCKEYREF(Signal* signal)
      *
      * -> ZNO_TUPLE_FOUND is possible
      */
-    ndbrequire(tcPtr->operation == ZREAD 
-	       || tcPtr->operation == ZREAD_EX
-	       || tcPtr->seqNoReplica == 0);
-    
     ndbrequire
       (tcPtr->seqNoReplica == 0 ||
        errCode != ZTUPLE_ALREADY_EXIST ||