-*- WifiWorker component:

2910 let debug;
2911 function updateDebug() {
2912   if (DEBUG) {
2913     debug = function (s) {
2914       dump("-*- WifiWorker component: " + s + "\n");
2915     };
2916   } else {
2917     debug = function (s) {};
2918   }
2919   WifiManager.syncDebug();
2920 }