pcmcia/vrc4171: Add missing spinlock init

It doesn't seem this spinlock was properly initialized. This bug was introduced by commit 7a410e8d4d97457c8c381e2de9cdc7bd3306badc.

---
I can't even build-test this. Already sent on:
* 2012-09-06

 drivers/pcmcia/vrc4171_card.c |    1 +
 1 file changed, 1 insertion(+)

@@ -246,6 +246,7 @@ static int pccard_init(struct pcmcia_soc
 	socket = &vrc4171_sockets[slot];
 	socket->csc_irq = search_nonuse_irq();
 	socket->io_irq = search_nonuse_irq();
+	spin_lock_init(&socket->lock);
 
 	return 0;
 }

Jean Delvare