Small improvements in APPEND command handling

Aleksander Machniak

2012-08-31 b5652641be7ebf4f1b7f115333989d2c971275ea

 program/include/rcube_storage.php

@@ -195,7 +195,7 @@
     */
    public function set_folder($folder)
    {
        if ($this->folder == $folder) {
        if ($this->folder === $folder) {
            return;
        }