Bluetooth: trivial: Shorten variable scope

Make code more clear by moving sk and bt vars to the place where
they are actually used.
Signed-off-by: NAndrei Emeltchenko <andrei.emeltchenko@intel.com>
Acked-by: NMarcel Holtmann <marcel@holtmann.org>
Signed-off-by: NGustavo Padovan <gustavo.padovan@collabora.co.uk>

net/bluetooth/af_bluetooth.c

@@ -567,8 +567,6 @@ static void bt_seq_stop(struct seq_file *seq, void *v)
 
 static int bt_seq_show(struct seq_file *seq, void *v)
 {
-	struct sock *sk;
-	struct bt_sock *bt;
 	struct bt_seq_state *s = seq->private;
 	struct bt_sock_list *l = s->l;
 	bdaddr_t src_baswapped, dst_baswapped;
@@ -583,8 +581,8 @@ static int bt_seq_show(struct seq_file *seq, void *v)
 
 		seq_putc(seq, '\n');
 	} else {
-		sk = sk_entry(v);
-		bt = bt_sk(sk);
+		struct sock *sk = sk_entry(v);
+		struct bt_sock *bt = bt_sk(sk);
 		baswap(&src_baswapped, &bt->src);
 		baswap(&dst_baswapped, &bt->dst);