typo in addListener

Author: jasonwilson

lib/dashboard.js

@@ -51,7 +51,7 @@ class Dashboard {
       top: "50%"
     });
 
-    this.eventPump.addListener("stderr", stdoutView.onEvent.bind(stderrView));
+    this.eventPump.addListener("stderr", stderrView.onEvent.bind(stderrView));
 
     const metrics = [MemoryView, CpuView, EventLoopView];