smbd: fix close order of base_fsp and stream_fsp in smb_fname_fsp_destructor()
VFS modules like streams_xattr use the function fsp_is_alternate_stream() on the fsp to determine in an fsp is a stream, eg in streams_xattr_close(). If fspo->base_fsp is arlready set to NULL, this won't work anymore.
Edited by Ralph Böhme