- Fix PHP error when fetching messages index when threaded mode is enabled

alecpl

2011-09-19 1f803b6e3c54182cdbba2ced4aa1552fed2ba1d4

 program/include/rcube_cache.php

@@ -434,7 +434,7 @@
    /**
     * Deletes entry from memcache/apc DB.
     */
    private function delete_record($index=true)
    private function delete_record($key, $index=true)
    {
        if ($this->type == 'memcache')
            $this->db->delete($this->ckey($key));