Merge of 4.1->5.0. This contained the fixes for GCC 4.0

BitKeeper/deleted/.del-ha_isam.cc~4dce65904db2675e:
  Auto merged
BitKeeper/deleted/.del-ha_isammrg.cc~dc682e4755d77a2e:
  Auto merged
client/mysqladmin.cc:
  Auto merged
client/sql_string.cc:
  Auto merged
mysys/raid.cc:
  Auto merged
sql/field.cc:
  Auto merged
sql/ha_berkeley.cc:
  Auto merged
sql/ha_blackhole.cc:
  Auto merged
sql/ha_heap.cc:
  Auto merged
sql/ha_innodb.cc:
  Auto merged
sql/ha_myisam.cc:
  Auto merged
sql/ha_myisammrg.cc:
  Auto merged
sql/ha_ndbcluster.cc:
  Auto merged
sql/handler.cc:
  Auto merged
sql/item.cc:
  Auto merged
sql/item_cmpfunc.cc:
  Auto merged
sql/item_func.cc:
  Auto merged
sql/item_geofunc.cc:
  Auto merged
sql/item_strfunc.cc:
  Auto merged
sql/item_subselect.cc:
  Auto merged
sql/item_sum.cc:
  Auto merged
sql/item_timefunc.cc:
  Auto merged
sql/item_uniq.cc:
  Auto merged
sql/log_event.cc:
  Auto merged
sql/opt_range.h:
  Auto merged
sql/procedure.cc:
  Auto merged
sql/protocol.cc:
  Auto merged
sql/protocol_cursor.cc:
  Auto merged
sql/repl_failsafe.cc:
  Auto merged
sql/set_var.cc:
  Auto merged
sql/slave.cc:
  Auto merged
sql/sql_analyse.cc:
  Auto merged
sql/sql_class.cc:
  Auto merged
sql/sql_insert.cc:
  Auto merged
sql/examples/ha_example.cc:
  Auto merged
sql/examples/ha_tina.cc:
  Auto merged
sql/sql_map.cc:
  Auto merged
sql/sql_olap.cc:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/sql_repl.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/sql_string.cc:
  Auto merged
sql/sql_udf.cc:
  Auto merged
sql/tztime.cc:
  Auto merged
sql/examples/ha_archive.cc:
  Merge fix
sql/mysqld.cc:
  Hand merge
sql/opt_range.cc:
  Hand Merge
sql/sql_acl.cc:
  Hand Merge

sql/sql_parse.cc

@@ -651,7 +651,6 @@ static bool check_mqh(THD *thd, uint check_command)
 {
 #ifndef NO_EMBEDDED_ACCESS_CHECKS
   bool error= 0;
-  time_t check_time = thd->start_time ?  thd->start_time : time(NULL);
   USER_CONN *uc=thd->user_connect;
   DBUG_ENTER("check_mqh");
   DBUG_ASSERT(uc != 0);