[scripts] Actually use scale_opts in cleanup script (#4071)

Author: nshmyrev

egs/wsj/s5/steps/cleanup/clean_and_segment_data_nnet3.sh

@@ -132,7 +132,7 @@ if [ $stage -le 1 ]; then
  echo "$0: Building biased-language-model decoding graphs..."
 
 
- steps/cleanup/make_biased_lm_graphs.sh $graph_opts \
+ steps/cleanup/make_biased_lm_graphs.sh $graph_opts --scale-opts "$scale_opts" \
  --nj $nj --cmd "$cmd" \
  $data $lang $dir $dir/graphs
 fi