fixed the encoding issue with csv reader
fixed the encoding issue with csv reader


Former-commit-id: 6b4675080831045de2a14c73afdaed46916e2af8
aaronkaplan/intelmq,sch3m4/intelmq,sch3m4/intelmq,sch3m4/intelmq,certtools/intelmq,robcza/intelmq,pkug/intelmq,certtools/intelmq,sch3m4/intelmq,pkug/intelmq,robcza/intelmq,aaronkaplan/intelmq,robcza/intelmq,pkug/intelmq,pkug/intelmq,robcza/intelmq,aaronkaplan/intelmq,certtools/intelmq