Add NO_OUTPUT_BUFFERING to two more scripts

adminui/answertests.php

@@ -25,6 +25,8 @@
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 
+define('NO_OUTPUT_BUFFERING', true);
+
 require_once(__DIR__.'/../../../../config.php');
 require_once($CFG->dirroot .'/course/lib.php');
 require_once($CFG->libdir . '/questionlib.php');

adminui/studentinputs.php

@@ -21,6 +21,8 @@
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 
+define('NO_OUTPUT_BUFFERING', true);
+
 require_once(__DIR__.'/../../../../config.php');
 require_once($CFG->dirroot .'/course/lib.php');
 require_once($CFG->libdir . '/questionlib.php');