[NET]: Make all initialized struct seq_operations const.

Make all initialized struct seq_operations in net/ const

Signed-off-by: Philippe De Muyter <phdm@macqel.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/netrom/nr_route.c b/net/netrom/nr_route.c
index 2f76e062..24fe4a6 100644
--- a/net/netrom/nr_route.c
+++ b/net/netrom/nr_route.c
@@ -922,7 +922,7 @@
 	return 0;
 }
 
-static struct seq_operations nr_node_seqops = {
+static const struct seq_operations nr_node_seqops = {
 	.start = nr_node_start,
 	.next = nr_node_next,
 	.stop = nr_node_stop,
@@ -1006,7 +1006,7 @@
 	return 0;
 }
 
-static struct seq_operations nr_neigh_seqops = {
+static const struct seq_operations nr_neigh_seqops = {
 	.start = nr_neigh_start,
 	.next = nr_neigh_next,
 	.stop = nr_neigh_stop,