linux-phytec-fsl

Remove sparse build warning

The recent session setup patch set
(cifs-Separate-rawntlmssp-auth-from-CIFS_SessSetup.patch)
had introduced a trivial sparse build warning.

Signed-off-by: Steve French <smfrench@gmail.com>
Cc: Sachin Prabhu <sprabhu@redhat.com>