windows-smb_fid_t-mx-20060130

windows-smb_fid_t-mx-20060130

*Includes the changes from STABLE14-windows-smb_fid_t-audit-20060125
 as well:

"Further testing revealed that some smb_vc_t objects could not be freed
because the associated smb_fid_t objects never reached a zero refcount.
Additional auditing uncovered cases in which there were holds not being
released and others in which they were released to many times.  This
patch fixes the problems and improves auditability by modifying the
behavior of the smb_IoctlXXX() functions to not release a reference
that was obtained by the caller.  Now the caller releases the reference."

Fixup token deletion logic

Surround all references to smb_fid_t flags and other references
by obtaining and releasing the 'mx' lock.