Patch by Pierre Schweitzer.

Patch by Pierre Schweitzer.
[CDFS]
- Several fixes for directory information query.
- Fixed a null access memory under certain circumstances.
- Added support for media ejection.
[FASTFAT]
- Fixed calls to CcMapData(), CcPinRead().
- Fixed an endless loop in FCB management under certain circumstances.
[NTOSKRNL]
- Fixed wrong prototype for IopParseDevice().

svn path=/trunk/; revision=48654