cifs: add xid to query server interface call

We were passing 0 as the xid for the call to query
server interfaces. This is not great for debugging.
This change adds a real xid.

Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Reviewed-by: Bharath SM <bharathsm@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>