r15958: Make us pass RAW-OPLOCK with kernel oplocks off.

r15958: Make us pass RAW-OPLOCK with kernel oplocks off.
This allows a requestor to set FORCE_OPLOCK_BREAK_TO_NONE
to ensure we don't break to level 2. Fixed a couple
of resource leaks in error paths in open_file_ntcreatex.
Jeremy.
(This used to be commit c7c9adcce7f13d01445f31b07fb28a76f0a1d6df)