message: fix(gui): Fix error with empty drive blacklist
  This fixes an error occuring if the drive blacklist
  is empty, and not split correctly
  Change-Type: patch
diff: @@ -58,14 +58,6 @@ const updateLock = require('./modules/update-lock')
  process.env.DRIVELIST_DEBUG = /drivelist|^\*$/i.test(process.env.DEBUG) ? '1' : ''
  window.localStorage.debug = process.env.DEBUG
  -/**
  - * @summary Environment variable blacklisted drives by path
  - * @type {Array<String>}
  - * @constant
  - * @private
  - */
  -const BLACKLISTED_DRIVES = settings.get('driveBlacklist')
  -
  const app = angular.module('Etcher', [
  require('angular-ui-router'),
  require('angular-ui-bootstrap'),
  @@ -216,6 +208,10 @@ app.run(() => {
  app.run(($timeout) => {
  driveScanner.on('devices', (drives) => {
  + const BLACKLISTED_DRIVES = settings.has('driveBlacklist')
  + ? settings.get('driveBlacklist').split(',')
  + : []
  +
  // Safely trigger a digest cycle.
  // In some cases, AngularJS doesn't acknowledge that the
  // available drives list has changed, and incorrectly
  