declare var at the beginning

Author: massimocandela

lib/server.js

@@ -27,6 +27,7 @@ var patchResponse = require('./response');
 
 var domain;
 var http2;
+var spdy;
 
 patchResponse(http.ServerResponse);
 patchRequest(http.IncomingMessage);
@@ -186,7 +187,7 @@ function Server(options) {
     ];
 
     if (options.spdy) {
-        var spdy = require('spdy');
+        spdy = require('spdy');
         this.spdy = true;
         this.server = spdy.createServer(options.spdy);
     } else if (options.http2) {