PCI: constify function pointer tables

Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/pci/proc.c

diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c
index 2bf159b..68aeeb7 100644
--- a/drivers/pci/proc.c
+++ b/drivers/pci/proc.c
@@ -375,7 +375,7 @@
 	return 0;
 }
 
-static struct seq_operations proc_bus_pci_devices_op = {
+static const struct seq_operations proc_bus_pci_devices_op = {
 	.start	= pci_seq_start,
 	.next	= pci_seq_next,
 	.stop	= pci_seq_stop,