net/decnet: Adjust confusing if indentation

Indent the branch of an if.

The semantic match that finds this problem is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@r disable braces4@
position p1,p2;
statement S1,S2;
@@

(
if (...) { ... }
|
if (...) S1@p1 S2@p2
)

@script:python@
p1 << r.p1;
p2 << r.p2;
@@

if (p1[0].column == p2[0].column):
  cocci.print_main("branch",p1)
  cocci.print_secs("after",p2)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/decnet/dn_nsp_out.c

@@ -708,7 +708,7 @@ void dn_nsp_send_conninit(struct sock *sk, unsigned char msgflg)
 	aux = (__u8)le16_to_cpu(scp->conndata_out.opt_optl);
 	*skb_put(skb, 1) = aux;
 	if (aux > 0)
-	memcpy(skb_put(skb,aux), scp->conndata_out.opt_data, aux);
+		memcpy(skb_put(skb, aux), scp->conndata_out.opt_data, aux);
 
 	scp->persist = dn_nsp_persist(sk);
 	scp->persist_fxn = dn_nsp_retrans_conninit;