fix min/max_lmwt

egs/gp/s5/local/score.sh

egs/rm/s5/local/score.sh

egs/swbd/s5/local/score.sh

egs/swbd/s5/local/score_basic.sh

egs/swbd/s5/local/score_sclite.sh

egs/swbd/s5/local/score_sclite_conf.sh

egs/tidigits/s5/local/score.sh

egs/voxforge/s5/local/score.sh

egs/wsj/s3/RESULTS_2

egs/wsj/s3/scripts/score_lats.sh

egs/wsj/s3/steps/decode_lda_etc.sh

egs/wsj/s3/steps/decode_lda_mllt_sat.sh

egs/wsj/s5/cmd.sh

egs/wsj/s5/local/run_sgmm2.sh

egs/wsj/s5/local/score.sh

egs/wsj/s5/local/score_mbr.sh

egs/wsj/s5/run.sh

egs/wsj/s5/steps/align_si.sh

egs/wsj/s5/steps/decode_sgmm.sh