Fix url ref

Author: AdityaHirapara

lib/LocalBinary.js

@@ -2,6 +2,7 @@ var https = require('https'),
   fs = require('fs'),
   path = require('path'),
   os = require('os'),
+  url = require('url'),
   util = require('util'),
   childProcess = require('child_process'),
   zlib = require('zlib'),
@@ -200,12 +201,12 @@ function LocalBinary(){
   };
 
   this.download = function(conf, destParentDir, callback, retries){
-    this.getDownloadPath(conf, retries, (err, url) => {
+    this.getDownloadPath(conf, retries, (err, downloadUrl) => {
       if(err) {
         return console.error('Unable to fetch the source url to download the binary with error: ', err);
       }
 
-      this.httpPath = url;
+      this.httpPath = downloadUrl;
 
       var that = this;
       if(!this.checkPath(destParentDir))