[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/irda/discovery.c b/net/irda/discovery.c
index f097341..af0cea7 100644
--- a/net/irda/discovery.c
+++ b/net/irda/discovery.c
@@ -395,7 +395,7 @@
 	return 0;
 }
 
-static struct seq_operations discovery_seq_ops = {
+static const struct seq_operations discovery_seq_ops = {
 	.start  = discovery_seq_start,
 	.next   = discovery_seq_next,
 	.stop   = discovery_seq_stop,