[PATCH] 3c574_cs initialise spinlock

This patch against 2.5.75 initialises a spinlock when the structure containing
it is allocated

drivers/net/pcmcia/3c574_cs.c

@@ -297,6 +297,7 @@ static dev_link_t *tc574_attach(void)
 	link = &lp->link;
 	link->priv = dev;
 
+	spin_lock_init(&lp->window_lock);
 	init_timer(&link->release);
 	link->release.function = &tc574_release;
 	link->release.data = (unsigned long)link;