remove a space :)

source/sample/transformer/T2TLayerNormal.cpp

@@ -93,7 +93,7 @@ XTensor T2TLN::Make(XTensor &input)
     standard = Power(variance, 0.5F);
 
     /* unsqueeze mean and standard deviation to fit them into
-        the same shape of x */
+       the same shape of x */
     meanFilled = Unsqueeze(mean, x.order - 1, x.GetDim(-1));
     standardFilled = Unsqueeze(standard, x.order - 1, x.GetDim(-1));