[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/ipv4/ipvs/ip_vs_ctl.c b/net/ipv4/ipvs/ip_vs_ctl.c
index 68fe1d4..e1052bc 100644
--- a/net/ipv4/ipvs/ip_vs_ctl.c
+++ b/net/ipv4/ipvs/ip_vs_ctl.c
@@ -1783,7 +1783,7 @@
 	return 0;
 }
 
-static struct seq_operations ip_vs_info_seq_ops = {
+static const struct seq_operations ip_vs_info_seq_ops = {
 	.start = ip_vs_info_seq_start,
 	.next  = ip_vs_info_seq_next,
 	.stop  = ip_vs_info_seq_stop,