[src] Fix wrong assertion failure in nnet3-am-compute (#3106)

Author: MartinKocour

src/nnet2bin/nnet-am-compute.cc

@@ -94,7 +94,7 @@ int main(int argc, char *argv[]) {
  int64 num_done = 0, num_frames = 0;
 
  Vector<BaseFloat> inv_priors(am_nnet.Priors());
- KALDI_ASSERT(inv_priors.Dim() == am_nnet.NumPdfs() &&
+ KALDI_ASSERT(!divide_by_priors || inv_priors.Dim() == am_nnet.NumPdfs() &&
  "Priors in neural network not set up.");
  inv_priors.ApplyPow(-1.0);