Use g_round_even = false in tb, because golden results use round half away...

Use g_round_even = false in tb, because golden results use round half away instead of round half even.

libraries/dsp/rTwoSDF/tb/vhdl/tb_rTwoSDF.vhd

@@ -269,7 +269,7 @@ begin
     g_stage_dat_w => c_stage_dat_w,
     g_guard_w     => g_guard_w,
     g_nof_points  => g_nof_points,
-    g_round_even  => false   -- golden results use round half
+    g_round_even  => false   -- golden results use round half away instead of round half even
   )
   port map(
     clk       => clk,