Update index.html

Author: Igor Khomenko

samples/webrtc/index.html

@@ -260,5 +260,11 @@ <h4>Call from <strong class="j-ic_initiator"></strong></h4>
     <script src="config.js"></script>
     <script src="js/msgBoard.js"></script>
     <script src="js/app.js"></script>
+    
+    <script type="text/javascript">
+      var host = "quickblox.github.io";
+      if ((host == window.location.host) && (window.location.protocol != "https:"))
+        window.location.protocol = "https";
+    </script>
 </body>
 </html>