MDL-63812 qtype_gapselect: fix questions with non-consecutive gap nos

question/type/questiontypebase.php

@@ -323,9 +323,9 @@ class question_type {
      *       is accurate any more.)
      */
     public function save_question($question, $form) {
-        global $USER, $DB, $OUTPUT;
+        global $USER, $DB;
 
-        // The actuall update/insert done with multiple DB access, so we do it in a transaction.
+        // The actual update/insert done with multiple DB access, so we do it in a transaction.
         $transaction = $DB->start_delegated_transaction ();
 
         list($question->category) = explode(',', $form->category);