Add es5 changes

Author: strausr

lib-es5/utils/index.js

@@ -345,7 +345,6 @@ function process_radius(radius) {
 }
 
 function base64EncodeURL(sourceUrl) {
-  var ignore;
   try {
     sourceUrl = decodeURI(sourceUrl);
   } catch (error) {
@@ -1567,4 +1566,4 @@ exports.build_streaming_profiles_param = build_streaming_profiles_param;
 exports.hashToParameters = hashToParameters;
 exports.present = present;
 exports.only = only;
-exports.jsonArrayParam = jsonArrayParam;
+exports.jsonArrayParam = jsonArrayParam;