net/ipv4:Remove two memleak reports by kmemleak_not_leak.

Signed-off-by: majianpeng <majianpeng@gmail.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv4/route.c

@@ -3514,6 +3514,6 @@ int __init ip_rt_init(void)
  */
 void __init ip_static_sysctl_init(void)
 {
-	register_sysctl_paths(ipv4_path, ipv4_skeleton);
+	kmemleak_not_leak(register_sysctl_paths(ipv4_path, ipv4_skeleton));
 }
 #endif