can: j1939: transport: j1939_session_fresh_new(): make sure EOMA is send with the total message size set

We were sending malformed EOMA messageswith total message size set to 0.

This patch fixes the bug.

Reported-by: https://github.com/linux-can/can-utils/issues/159Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Acked-by: Kurt Van Dijck <dev.kurt@vandijck-laurijssen.be>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>