From 4840db67caeffc4fe38326a5a38a8c89dbf9b06f Mon Sep 17 00:00:00 2001
From: Boris Grozev <boris@jitsi.org>
Date: Wed, 5 Jul 2017 16:31:50 -0500
Subject: [PATCH] fix: adds a hasOwnProperty check, uses "let".

---
 modules/analytics/analytics.js | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/modules/analytics/analytics.js b/modules/analytics/analytics.js
index 2a495052f..25007e410 100644
--- a/modules/analytics/analytics.js
+++ b/modules/analytics/analytics.js
@@ -125,8 +125,11 @@ class Analytics {
                  // optionally include local deployment information based on
                  // the contents of window.config.deploymentInfo
                 if (config.deploymentInfo) {
-                    for (var key in config.deploymentInfo) {
-                        permanentProperties[key] = config.deploymentInfo[key];
+                    for (let key in config.deploymentInfo) {
+                        if (config.deploymentInfo.hasOwnProperty(key)) {
+                            permanentProperties[key]
+                                = config.deploymentInfo[key];
+                        }
                     }
                 }