media: netup_unidvb: constify pci_device_id

pci_device_id are not supposed to change at runtime. All functions
working with pci_device_id provided by <linux/pci.h> work with
const pci_device_id. So mark the non-const structs as const.
Signed-off-by: NArvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/pci/netup_unidvb/netup_unidvb_core.c

@@ -1014,7 +1014,7 @@ static void netup_unidvb_finidev(struct pci_dev *pci_dev)
 }
 
 
-static struct pci_device_id netup_unidvb_pci_tbl[] = {
+static const struct pci_device_id netup_unidvb_pci_tbl[] = {
 	{ PCI_DEVICE(0x1b55, 0x18f6) }, /* hw rev. 1.3 */
 	{ PCI_DEVICE(0x1b55, 0x18f7) }, /* hw rev. 1.4 */
 	{ 0, }