IB/mlx4: Rename struct mlx4_lso_seg to mlx4_wqe_lso_seg

Make the struct name consistent with other WQE segment struct types
defined in <linux/mlx4/qp.h>.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
diff --git a/include/linux/mlx4/qp.h b/include/linux/mlx4/qp.h
index 7f128b2..f02e9ed 100644
--- a/include/linux/mlx4/qp.h
+++ b/include/linux/mlx4/qp.h
@@ -219,7 +219,7 @@
 	__be32			reservd[2];
 };
 
-struct mlx4_lso_seg {
+struct mlx4_wqe_lso_seg {
 	__be32			mss_hdr_size;
 	__be32			header[0];
 };