update reference data

Author: brucefan1983

tests/gpumd/silicon_dispersion/omega21.out

@@ -1,5 +1,5 @@
 # 0.000000 1.156700 2.071151 3.298016 4.299747 G X K G L
-0.000000 -0.0227194 -1.20265e-07 0.0227192 10194.2 10194.2 10194.4 
+0.000000 -0.022719 4.6092e-08 0.0227193 10194.2 10194.2 10194.4 
 0.011567 0.374391 0.407996 0.830331 10193.8 10193.9 10194 
 0.023134 1.56429 1.59815 3.28758 10192.5 10193 10193.2 
 0.034701 3.54659 3.58055 7.38222 10190.4 10191.6 10191.7 
@@ -294,12 +294,12 @@
 3.199867 13.88 28.6336 73.1281 10157.3 10173.8 10178.8 
 3.212135 10.6299 21.9151 56.0792 10166 10178.5 10182.4 
 3.224404 7.81159 16.0972 41.2576 10173.5 10182.7 10185.5 
-3.236673 5.42581 11.178 28.6828 10179.9 10186.2 10188.2 
+3.236673 5.4258 11.178 28.6828 10179.9 10186.2 10188.2 
 3.248941 3.47306 7.15579 18.3714 10185.1 10189.1 10190.4 
 3.261210 1.95379 4.02896 10.3373 10189.1 10191.4 10192.1 
 3.273479 0.868263 1.79642 4.59101 10192 10193 10193.3 
 3.285747 0.21632 0.457568 1.14039 10193.7 10194 10194 
-3.298016 -0.0227194 -1.20265e-07 0.0227192 10194.2 10194.2 10194.4 
+3.298016 -0.022719 4.6092e-08 0.0227193 10194.2 10194.2 10194.4 
 3.308033 0.180168 0.218126 0.811238 10193.8 10194 10194.2 
 3.318051 0.767168 0.805013 3.26527 10192.6 10193.5 10193.6 
 3.328068 1.74479 1.78264 7.35431 10190.6 10192.6 10192.7