Fix endian error in SMB2 protocol negotiation

Fix minor endian error in Jeff's auth rewrite
Reviewed-by: Jeff Laytonn <jlayton@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>

fs/cifs/smb2pdu.c

@@ -352,9 +352,9 @@ SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses)
 
 	/* only one of SMB2 signing flags may be set in SMB2 request */
 	if (ses->sign)
-		req->SecurityMode = SMB2_NEGOTIATE_SIGNING_REQUIRED;
+		req->SecurityMode = cpu_to_le16(SMB2_NEGOTIATE_SIGNING_REQUIRED);
 	else if (global_secflags & CIFSSEC_MAY_SIGN)
-		req->SecurityMode = SMB2_NEGOTIATE_SIGNING_ENABLED;
+		req->SecurityMode = cpu_to_le16(SMB2_NEGOTIATE_SIGNING_ENABLED);
 	else
 		req->SecurityMode = 0;