wd7000: typo spin_unlock_irq() => spin_lock_irq()

This was introduced back in 2005 at the very start of the git era by:
	df0ae2497ddefd72a87f3a3b34ff32455d7d4ae0
	[SCSI] allow sleeping in ->eh_host_reset_handler()

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

drivers/scsi/wd7000.c

@@ -1588,7 +1588,7 @@ static int wd7000_host_reset(struct scsi_cmnd *SCpnt)
 {
 	Adapter *host = (Adapter *) SCpnt->device->host->hostdata;
 
-	spin_unlock_irq(SCpnt->device->host->host_lock);
+	spin_lock_irq(SCpnt->device->host->host_lock);
 
 	if (wd7000_adapter_reset(host) < 0) {
 		spin_unlock_irq(SCpnt->device->host->host_lock);