MDL-35768 - fix E_STRICT issue

diff --git a/course/format/lib.php b/course/format/lib.php
index 34613fd..b61333d 100644 (file)
--- a/course/format/lib.php
+++ b/course/format/lib.php
@@ -587,7 +587,7 @@ abstract class format_base {
             if (!empty($option['element_attributes'])) {
                 $args = array_merge($args, $option['element_attributes']);
             }
-            $elements[] = &call_user_func_array(array($mform, 'addElement'), $args);
+            $elements[] = call_user_func_array(array($mform, 'addElement'), $args);
             if (isset($option['help'])) {
                 $helpcomponent = 'format_'. $this->get_format();
                 if (isset($option['help_component'])) {