Merge with 4.0.11

BitKeeper/etc/ignore:
  auto-union
BitKeeper/etc/logging_ok:
  auto-union
BUILD/FINISH.sh:
  Auto merged
client/mysqldump.c:
  Auto merged
include/my_base.h:
  Auto merged
include/my_pthread.h:
  Auto merged
innobase/row/row0sel.c:
  Auto merged
innobase/ut/ut0mem.c:
  Auto merged
myisam/myisamchk.c:
  Auto merged
mysql-test/mysql-test-run.sh:
  Auto merged
mysql-test/r/bigint.result:
  Auto merged
mysql-test/r/handler.result:
  Auto merged
mysql-test/r/innodb.result:
  Auto merged
mysql-test/r/innodb_handler.result:
  Auto merged
mysql-test/r/query_cache.result:
  Auto merged
mysql-test/t/bigint.test:
  Auto merged
mysql-test/t/handler.test:
  Auto merged
mysql-test/t/innodb.test:
  Auto merged
mysql-test/t/innodb_handler.test:
  Auto merged
mysql-test/t/query_cache.test:
  Auto merged
sql/mysqld.cc:
  Auto merged
sql/opt_sum.cc:
  Auto merged
sql/sql_acl.cc:
  Auto merged
sql/sql_class.cc:
  Auto merged
sql/sql_handler.cc:
  Auto merged
sql/sql_load.cc:
  Auto merged
sql/sql_table.cc:
  Auto merged
sql/sql_update.cc:
  Auto merged
sql/share/czech/errmsg.txt:
  Auto merged
sql/share/danish/errmsg.txt:
  Auto merged
sql/share/dutch/errmsg.txt:
  Auto merged
sql/share/english/errmsg.txt:
  Auto merged
sql/share/estonian/errmsg.txt:
  Auto merged
sql/share/french/errmsg.txt:
  Auto merged
sql/share/greek/errmsg.txt:
  Auto merged
sql/share/hungarian/errmsg.txt:
  Auto merged
sql/share/italian/errmsg.txt:
  Auto merged
sql/share/japanese/errmsg.txt:
  Auto merged
sql/share/korean/errmsg.txt:
  Auto merged
sql/share/norwegian-ny/errmsg.txt:
  Auto merged
sql/share/norwegian/errmsg.txt:
  Auto merged
sql/share/polish/errmsg.txt:
  Auto merged
sql/share/portuguese/errmsg.txt:
  Auto merged
sql/share/romanian/errmsg.txt:
  Auto merged
sql/share/russian/errmsg.txt:
  Auto merged
sql/share/slovak/errmsg.txt:
  Auto merged
sql/share/spanish/errmsg.txt:
  Auto merged
sql/share/swedish/errmsg.txt:
  Auto merged
sql/share/ukrainian/errmsg.txt:
  Auto merged
sql/table.h:
  Auto merged

sql/sql_table.cc

@@ -1649,6 +1649,7 @@ int mysql_alter_table(THD *thd,char *new_db, char *new_name,
     new_db=db;
   used_fields=create_info->used_fields;
 
+  mysql_ha_closeall(thd, table_list);
   if (!(table=open_ltable(thd,table_list,TL_WRITE_ALLOW_READ)))
     DBUG_RETURN(-1);