small typo in var name

Merged from MOODLE_18_STABLE

diff --git a/filter/activitynames/filter.php b/filter/activitynames/filter.php
index 992f3809bfd77c0e26838cfaae006179b4175bdc..ff3b81506b69fccf0b385676c97a915c55324fd3 100644 (file)
--- a/filter/activitynames/filter.php
+++ b/filter/activitynames/filter.php
@@ -10,7 +10,7 @@
 
         // Trivial-cache - keyed on $cachedcourseid
         static $activitylist;
-        static $cachedcourse;
+        static $cachedcourseid;
 
         if (empty($courseid)) {
             $courseid = SITEID;