[ECONET]: Use macro for spinlock_t definition.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/econet/af_econet.c

@@ -57,7 +57,7 @@ static struct net_device *net2dev_map[256];
 #define EC_PORT_IP	0xd2
 
 #ifdef CONFIG_ECONET_AUNUDP
-static spinlock_t aun_queue_lock;
+static DEFINE_SPINLOCK(aun_queue_lock);
 static struct socket *udpsock;
 #define AUN_PORT	0x8000