fix codecov for appveyor
fix codecov for appveyor
EmergingTechnologyAdvisors/node-serialport,EmergingTechnologyAdvisors/node-serialport,voodootikigod/node-serialport,EmergingTechnologyAdvisors/node-serialport,node-serialport/node-serialport,node-serialport/node-serialport,voodootikigod/node-serialport,EmergingTechnologyAdvisors/node-serialport,node-serialport/node-serialport,voodootikigod/node-serialport,munyirik/node-serialport,munyirik/node-serialport,EmergingTechnologyAdvisors/node-serialport,munyirik/node-serialport,munyirik/node-serialport,voodootikigod/node-serialport,node-serialport/node-serialport,node-serialport/node-serialport