VBoxSF: disable debug logging in release build (added by r79366).
VBoxSF: Windows 2000 hacks. Using the W2K3 libs works, XP libs doesn't.
VS2010 preps.
**/Makefile.kmk: Cosmetic changes.
VBOXSF: update timestamps when a file handle is closed.
VBOXSF: updated windows guest shared folders driver.