lib/drivers/abbott/libreViewDriver.js: Properly return error message when no data can be parsed
lib/drivers/abbott/libreViewDriver.js: Properly return error message when no data can be parsed

Co-authored-by: Gerrit Niezen <aaf964b8e91f2cb7aa4880df1f65c1ab20eee266@gmail.com>
tidepool-org/chrome-uploader,tidepool-org/chrome-uploader,tidepool-org/chrome-uploader