drivers/net/ethernet/tile: fix netdev_alloc_skb() bombing

Commit dae2e9f430c46c29e3f771110094bd3da3625aa4 changed dev_alloc_skb()
to netdev_alloc_skb(), adding a dev pointer, but erroneously used "->"
instead of "." for a struct member when accessing the dev pointer.
This change fixes the build breakage.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
diff --git a/drivers/net/ethernet/tile/tilepro.c b/drivers/net/ethernet/tile/tilepro.c
index 75e5905..3d501ec 100644
--- a/drivers/net/ethernet/tile/tilepro.c
+++ b/drivers/net/ethernet/tile/tilepro.c
@@ -448,7 +448,7 @@
 	struct sk_buff **skb_ptr;
 
 	/* Request 96 extra bytes for alignment purposes. */
-	skb = netdev_alloc_skb(info->napi->dev, len + padding);
+	skb = netdev_alloc_skb(info->napi.dev, len + padding);
 	if (skb == NULL)
 		return false;