startup: move `EventEmitter` closer to the lookup

This makes startup faster by ~0.2 ms on my computer.

diff --git a/src/node.js b/src/node.js
index 2cd797f..4a11b5c 100644 (file)
--- a/src/node.js
+++ b/src/node.js
@@ -27,10 +27,8 @@
 (function(process) {
   global = this;
 
-  var EventEmitter;
-
   function startup() {
-    EventEmitter = NativeModule.require('events').EventEmitter;
+    var EventEmitter = NativeModule.require('events').EventEmitter;
     process.__proto__ = EventEmitter.prototype;
     process.EventEmitter = EventEmitter; // process.EventEmitter is deprecated