Import now passes $course object to import/export format object.

mod/quiz/format.php

@@ -28,10 +28,11 @@ class quiz_default_format {
 
 /// Importing functions
 
-    function importpreprocess($category) {
+    function importpreprocess($category, $course=NULL ) {
     /// Does any pre-processing that may be desired
 
         $this->category = $category;  // Important
+        $this->course = $course;
 
         return true;
     }

mod/quiz/import.php

@@ -57,7 +57,7 @@
             $classname = "quiz_format_$form->format";
             $format = new $classname();
 
-            if (! $format->importpreprocess($category)) {             // Do anything before that we need to
+            if (! $format->importpreprocess($category,$course)) {             // Do anything before that we need to
                 error("Error occurred during pre-processing!",
                       "$CFG->wwwroot/mod/quiz/import.php?category=$category->id");
             }