[NET]: make seq_operations const

The seq_file operations stuff can be marked constant to
get it out of dirty cache.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index d298618..e50ad7d 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -364,7 +364,7 @@
 	return 0;
 }
 
-static struct seq_operations rt_cache_seq_ops = {
+static const struct seq_operations rt_cache_seq_ops = {
 	.start  = rt_cache_seq_start,
 	.next   = rt_cache_seq_next,
 	.stop   = rt_cache_seq_stop,
@@ -470,7 +470,7 @@
 	return 0;
 }
 
-static struct seq_operations rt_cpu_seq_ops = {
+static const struct seq_operations rt_cpu_seq_ops = {
 	.start  = rt_cpu_seq_start,
 	.next   = rt_cpu_seq_next,
 	.stop   = rt_cpu_seq_stop,