Fix function context for scheduled reauth

index.js

@@ -121,7 +121,7 @@ function connectLndhub () {
     if (connected) {
       console.log("Connected to Lndhub");
       // automatically refresh auth token once a day
-      setInterval(lndhub.reauth, 86400000);
+      setInterval(() => lndhub.reauth(), 86400000);
     } else {
       process.exit(1);
     }