mac80211: clean up get_tx_stats callback

The callback takes a ieee80211_tx_queue_stats with a contained
array of ieee80211_tx_queue_stats_data, remove the former, rename
the latter to ieee80211_tx_queue_stats and make tx_stats() take
the array directly.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/b43legacy/pio.c b/drivers/net/wireless/b43legacy/pio.c
index bcdd54e..8d3d27d 100644
--- a/drivers/net/wireless/b43legacy/pio.c
+++ b/drivers/net/wireless/b43legacy/pio.c
@@ -525,13 +525,11 @@
 {
 	struct b43legacy_pio *pio = &dev->pio;
 	struct b43legacy_pioqueue *queue;
-	struct ieee80211_tx_queue_stats_data *data;
 
 	queue = pio->queue1;
-	data = &(stats->data[0]);
-	data->len = B43legacy_PIO_MAXTXPACKETS - queue->nr_txfree;
-	data->limit = B43legacy_PIO_MAXTXPACKETS;
-	data->count = queue->nr_tx_packets;
+	stats[0].len = B43legacy_PIO_MAXTXPACKETS - queue->nr_txfree;
+	stats[0].limit = B43legacy_PIO_MAXTXPACKETS;
+	stats[0].count = queue->nr_tx_packets;
 }
 
 static void pio_rx_error(struct b43legacy_pioqueue *queue,