fix little bug of file path for NLPIR.interface
fix little bug of file path for NLPIR.interface

kevinxhuang/python-nlpir,kevinxhuang/python-nlpir,killuahzl/python-nlpir,kevinxhuang/python-nlpir,killuahzl/python-nlpir,killuahzl/python-nlpir