Don't use the same param in recursive call.
Also, the fix makes it safe for a plugin to replace param->mysql_add_word

  Recreating ctype-extra.c with additional 5.1
  charset, and with additional missing 5.0 charset
  due to bug with too small buffer MAX_BUF.

into  mysql.com:/usr/home/bar/mysql-5.1-new

into  mysql.com:/usr/home/bar/mysql-5.1-new

never defined.
It was used at some point to add -Wuninitialized to debug flags, 
but not any more. If there is still need to add -Wunitialized,
it can be added directly to $global_warnings.

into  mysql.com:/home/bk/b18436-mysql-5.1-new

into  mysql.com:/home/bk/b18436-mysql-5.1-new

  After merge correction

into  mysql.com:/home/bk/b18436-mysql-5.1-new

into mysql.com:/Users/kent/mysql/bk/mysql-5.1-new

into  mysql.com:/home/bk/b18436-mysql-5.1-new

into  mysql.com:/home/bk/b18436-mysql-5.1-new

into  mysql.com:/home/timka/mysql/src/5.1-merge

into  rurik.mysql.com:/home/igor/mysql-5.1

into  poseidon.ndb.mysql.com:/home/tomas/mysql-5.1-new

into  mysql.com:/home/psergey/mysql-5.1-bug18659-pre

into  mysql.com:/usr/home/bar/mysql-5.0

into  rurik.mysql.com:/home/igor/mysql-5.0

into  poseidon.ndb.mysql.com:/home/tomas/mysql-5.0

into  poseidon.ndb.mysql.com:/home/tomas/mysql-5.1-new

into  poseidon.ndb.mysql.com:/home/tomas/mysql-5.1-new

into  rurik.mysql.com:/home/igor/dev/mysql-5.1-0

into  rurik.mysql.com:/home/igor/dev/mysql-5.0-0

into  rurik.mysql.com:/home/igor/mysql-5.0

into  rurik.mysql.com:/home/igor/dev/mysql-5.1-0

obtain partition number, call partition_info->get_part_partition_id() when
the table has subpartitions, and get_partition_id() otherwise. (The bug
was that we were always doing the latter)

- move slock bitmask to separate hash list, object living only during query

into  mysql.com:/home/bk/b18436-mysql-5.1-new

into  mysql.com:/usr/home/bar/mysql-5.0