gve: Copy and paste bug in gve_get_stats()

There is a copy and paste error so we have "rx" where "tx" was intended
in the priv->tx[] array.

Fixes: f5cedc84 ("gve: Add transmit and receive support")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Catherine Sullivan <csully@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/google/gve/gve_main.c

@@ -50,7 +50,7 @@ static void gve_get_stats(struct net_device *dev, struct rtnl_link_stats64 *s)
 				  u64_stats_fetch_begin(&priv->tx[ring].statss);
 				s->tx_packets += priv->tx[ring].pkt_done;
 				s->tx_bytes += priv->tx[ring].bytes_done;
-			} while (u64_stats_fetch_retry(&priv->rx[ring].statss,
+			} while (u64_stats_fetch_retry(&priv->tx[ring].statss,
 						       start));
 		}
 	}