USB: Fix usb_serial_driver structure for Kobil cardreader driver.

The device setup did miss to initialize the num_interrupt_out field, thus
failing to successfully complete the probe function.
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
Cc: stable <stable@kernel.org>
Cc: Alan Cox <alan@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/usb/serial/kobil_sct.c

@@ -114,6 +114,7 @@ static struct usb_serial_driver kobil_device = {
 	.usb_driver = 		&kobil_driver,
 	.id_table =		id_table,
 	.num_interrupt_in =	NUM_DONT_CARE,
+	.num_interrupt_out = 	NUM_DONT_CARE,
 	.num_bulk_in =		0,
 	.num_bulk_out =		0,
 	.num_ports =		1,