No unnecessary call

Author: frederikbosch

lib/server.js

@@ -154,7 +154,7 @@ class Server extends events.EventEmitter {
     socket.on('error', (e) => {
       // ignore frequent ECONNRESET error (seems inevitable when refresh)
       if (e.code === 'ECONNRESET') return;
-      this.error.call(this, e);
+      this.error(e);
     });
 
     client.once('info', (data) => {