http: Fix overlooked agent.globalAgent export

Noticed by @bnoordhuis in https://github.com/joyent/node/pull/5991#discussion_r5575946

1 files changed, 1 insertions, 2 deletions

diff --git a/lib/http.js b/lib/http.js
index 38bfb4b682..f3b6fe77cf 100644
--- a/lib/http.js
+++ b/lib/http.js
@@ -42,8 +42,7 @@ exports.STATUS_CODES = server.STATUS_CODES;
 
 var agent = require('_http_agent');
 var Agent = exports.Agent = agent.Agent;
-var globalAgent = new Agent();
-exports.globalAgent = globalAgent;
+var globalAgent = exports.globalAgent = agent.globalAgent;
 
 var client = require('_http_client');
 var ClientRequest = exports.ClientRequest = client.ClientRequest;