can: dev: fix semicolon.cocci warnings

drivers/net/can/dev.c:294:2-3: Unneeded semicolon

 Removes unneeded semicolon.

Generated by: scripts/coccinelle/misc/semicolon.cocci

Cc: Andri Yngvason <andri.yngvason@marel.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

drivers/net/can/dev.c

@@ -293,7 +293,7 @@ static void can_update_state_error_stats(struct net_device *dev,
 		break;
 	default:
 		break;
-	};
+	}
 }
 
 static int can_tx_state_to_frame(struct net_device *dev, enum can_state state)