Fix vCard WORKFAX issue (#1488046)

thomascube

2011-09-05 31e00cb7e94188b5d8f4c1d9a113b13be9dc91a7

 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));