Bug fix for librispeech/run_train.sh.
Bug fix for librispeech/run_train.sh.

qingqing01/models,PaddlePaddle/models,PaddlePaddle/models,lcy-seso/models,Superjom/models-1,qingqing01/models,lcy-seso/models,kuke/models,kuke/models,PaddlePaddle/models,lcy-seso/models,kuke/models,Superjom/models-1,qingqing01/models,Superjom/models-1,kuke/models