Kalyanov Dmitry optimized readdir function: now we use HASH-tables
to deduplicate directories.


git-svn-id: http://svn.uvw.ru/mhddfs/trunk@691 d7d42532-9e51-4b1d-b199-9e4c94b77a30
some fixes for FreeBSD compilation

git-svn-id: http://svn.uvw.ru/mhddfs/trunk@699 d7d42532-9e51-4b1d-b199-9e4c94b77a30