MDL-27877 question engine progress bars not working.

local/qeupgradehelper/afterupgradelib.php

@@ -54,6 +54,7 @@ class local_qeupgradehelper_attempt_upgrader extends question_engine_attempt_upg
     protected function reset_progress($done, $outof) {
         if (is_null($this->progressbar)) {
             $this->progressbar = new progress_bar('qe2reset');
+            $this->progressbar->create();
         }
 
         gc_collect_cycles(); // This was really helpful in PHP 5.2. Perhaps remove.

mod/quiz/db/upgrade.php

@@ -563,6 +563,7 @@ function xmldb_quiz_upgrade($oldversion) {
 
             if ($oldattempts) {
                 $pbar = new progress_bar('q15upgrade');
+                $pbar->create();
                 $a = new stdClass();
                 $a->todo = count($oldattempts);
                 $a->done = 0;

question/engine/upgrade/upgradelib.php

@@ -61,6 +61,7 @@ class question_engine_attempt_upgrader {
     protected function print_progress($done, $outof, $quizid) {
         if (is_null($this->progressbar)) {
             $this->progressbar = new progress_bar('qe2upgrade');
+            $this->progressbar->create();
         }
 
         gc_collect_cycles(); // This was really helpful in PHP 5.2. Perhaps remove.