xen-netfront: print correct number of queues

When less than the requested number of queues could be created, include
the actual number in the warning (instead of the requested number).

Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index 0b133a3..28204bc 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -1815,8 +1815,8 @@
 
 		ret = xennet_init_queue(queue);
 		if (ret < 0) {
-			dev_warn(&info->netdev->dev, "only created %d queues\n",
-				 num_queues);
+			dev_warn(&info->netdev->dev,
+				 "only created %d queues\n", i);
 			num_queues = i;
 			break;
 		}