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>

diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c
index aee4502..17b3bae 100644
--- a/drivers/usb/serial/kobil_sct.c
+++ b/drivers/usb/serial/kobil_sct.c
@@ -114,6 +114,7 @@
 	.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,