net/can/mscan: Fix buggy listen only mode setting

This patch fixes an issue introduced recently with commit
452448f9283e1939408b397e87974a418825b0a8.

CC: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
1 file changed