MDL-28469 quiz settings pages should be pagelayout admin.

mod/quiz/overridedelete.php

@@ -78,6 +78,7 @@ $stroverride = get_string('override', 'quiz');
 $title = get_string('deletecheck', null, $stroverride);
 
 $PAGE->set_url($url);
+$PAGE->set_pagelayout('admin');
 $PAGE->navbar->add($title);
 $PAGE->set_title($title);
 $PAGE->set_heading($course->fullname);

mod/quiz/overrideedit.php

@@ -191,6 +191,7 @@ if ($mform->is_cancelled()) {
 
 $pagetitle = get_string('editoverride', 'quiz');
 $PAGE->navbar->add($pagetitle);
+$PAGE->set_pagelayout('admin');
 $PAGE->set_title($pagetitle);
 $PAGE->set_heading($course->fullname);
 echo $OUTPUT->header();

mod/quiz/overrides.php

@@ -70,6 +70,7 @@ require_capability('mod/quiz:manageoverrides', $context);
 
 // Display a list of overrides
 
+$PAGE->set_pagelayout('admin');
 $PAGE->set_title(get_string('overrides', 'quiz'));
 $PAGE->set_heading($course->fullname);
 echo $OUTPUT->header();