Merge Revision revid:calvin.sun@oracle.com-20100507214030-cap6783iuooqrxkx from MySQL InnoDB
Original revid:calvin.sun@oracle.com-20100507214030-cap6783iuooqrxkx
Original Authors: Calvin Sun <calvin.sun@oracle.com>
Original commit message:
Fix compile errors on x64 Windows.
Change types of srv_purge_batch_size and srv_n_purge_threads
from ulint to ulong.