net: Convert all sysctl registrations to register_net_sysctl

This results in code with less boiler plate that is a bit easier
to read.

Additionally stops us from using compatibility code in the sysctl
core, hastening the day when the compatibility code can be removed.

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/core/sysctl_net_core.c b/net/core/sysctl_net_core.c
index 9fc2f9d..64924e3 100644
--- a/net/core/sysctl_net_core.c
+++ b/net/core/sysctl_net_core.c
@@ -224,8 +224,7 @@
 		tbl[0].data = &net->core.sysctl_somaxconn;
 	}
 
-	net->core.sysctl_hdr = register_net_sysctl_table(net,
-			net_core_path, tbl);
+	net->core.sysctl_hdr = register_net_sysctl(net, "net/core", tbl);
 	if (net->core.sysctl_hdr == NULL)
 		goto err_reg;