Merge mysql1000.(none):/home/andrei/MySQL/BARE/mysql-5.1

into  mysql1000.(none):/home/andrei/MySQL/MERGE/5.1-main2rpl


client/mysqltest.c:
  Auto merged
sql/log.cc:
  Auto merged
sql/sql_class.cc:
  Auto merged

sql/sql_class.cc

@@ -580,6 +580,7 @@ THD::THD()
   cleanup_done= abort_on_warning= no_warnings_for_error= 0;
   peer_port= 0;					// For SHOW PROCESSLIST
   transaction.m_pending_rows_event= 0;
+  transaction.on= 1;
 #ifdef SIGNAL_WITH_VIO_CLOSE
   active_vio = 0;
 #endif