net: tipc: constify genl_ops

genl_ops are not supposed to change at runtime. All functions
working with genl_ops provided by <net/genetlink.h> work with
const genl_ops. So mark the non-const structs as const.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/tipc/netlink_compat.c

@@ -1217,7 +1217,7 @@ send:
 	return err;
 }
 
-static struct genl_ops tipc_genl_compat_ops[] = {
+static const struct genl_ops tipc_genl_compat_ops[] = {
 	{
 		.cmd		= TIPC_GENL_CMD,
 		.doit		= tipc_nl_compat_recv,