[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/ax25/ax25_route.c b/net/ax25/ax25_route.c
index d65b8e2..9ecf6f1 100644
--- a/net/ax25/ax25_route.c
+++ b/net/ax25/ax25_route.c
@@ -320,7 +320,7 @@
 	return 0;
 }
 
-static struct seq_operations ax25_rt_seqops = {
+static const struct seq_operations ax25_rt_seqops = {
 	.start = ax25_rt_seq_start,
 	.next = ax25_rt_seq_next,
 	.stop = ax25_rt_seq_stop,