Windows: smb_ReceiveTran2QFileInfo Pioctl support

Windows: smb_ReceiveTran2QFileInfo Pioctl support

Similar to the QueryPathInfo support for _._AFS_IOCTL_._ the
QueryFileInfo interface must respond to pioctl queries.  When
GetFileAttributes() on XP is called from the afslogon.dll the
QFileInfo path is used instead of the QPathInfo path.

Change-Id: I119fbefbf933e868cac57eb508ef30a45277a50f
Reviewed-on: http://gerrit.openafs.org/8491
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>
Tested-by: Jeffrey Altman <jaltman@your-file-system.com>