net decnet: Convert to use register_net_sysctl

Using an ascii path to register_net_sysctl as opposed to the slightly
awkward ctl_path allows for much simpler code.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Acked-by: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/decnet/sysctl_net_decnet.c b/net/decnet/sysctl_net_decnet.c
index 4380b8e..a55eecca 100644
--- a/net/decnet/sysctl_net_decnet.c
+++ b/net/decnet/sysctl_net_decnet.c
@@ -351,15 +351,9 @@
 	{ }
 };
 
-static struct ctl_path dn_path[] = {
-	{ .procname = "net", },
-	{ .procname = "decnet", },
-	{ }
-};
-
 void dn_register_sysctl(void)
 {
-	dn_table_header = register_net_sysctl_table(&init_net, dn_path, dn_table);
+	dn_table_header = register_net_sysctl(&init_net, "net/decnet", dn_table);
 }
 
 void dn_unregister_sysctl(void)