Minor robustness fix

diff --git a/mod/quiz/lib.php b/mod/quiz/lib.php
index 8091ad56fb8464b1e4189a67026b7fe5ec01a2a9..641c19e178b8c862626a71e85283f48b8674a189 100644 (file)
--- a/mod/quiz/lib.php
+++ b/mod/quiz/lib.php
@@ -850,6 +850,8 @@ function quiz_get_default_category($courseid) {
 }
 
 function quiz_get_category_menu($courseid, $published=false) {
+/// Returns the list of categories
+    $publish = "";
     if ($published) {
         $publish = "OR publish = '1'";
     }