Fixing who is online if course was set see #3938

whoisonline.php

@@ -14,6 +14,11 @@ if (!isset($_GET['cidReq'])) {
 
 // including necessary files
 require_once './main/inc/global.inc.php';
+
+if(isset($_GET['cidReq']) && strlen($_GET['cidReq']) > 0 ) {
+    api_protect_course_script(true);
+}
+
 require_once api_get_path(LIBRARY_PATH).'fileManage.lib.php';
 
 $_SESSION['who_is_online_counter'] = 2;
@@ -88,6 +93,7 @@ $(document).ready(function() {
 });        
 </script>';
 
+
 if ($_GET['chatid'] != '') {
 	//send out call request
 	$time = time();