net/decnet: add missing indentation

There is a missing indentation before the declaration of port. Add
it.
Signed-off-by: NColin Ian King <colin.king@canonical.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/decnet/af_decnet.c

@@ -192,7 +192,7 @@ static int check_port(__le16 port)
 static unsigned short port_alloc(struct sock *sk)
 {
 	struct dn_scp *scp = DN_SK(sk);
-static unsigned short port = 0x2000;
+	static unsigned short port = 0x2000;
 	unsigned short i_port = port;
 
 	while(check_port(cpu_to_le16(++port)) != 0) {