Fix handling of GETANNOTATION errors - return NULL on error as documented

Aleksander Machniak

2015-02-02 e8fc8d303a30658abd70419917a1373131802e28

 plugins/zipdownload/config.inc.php.dist

@@ -9,9 +9,6 @@
// -1 to prevent downloading of attachments as zip
$config['zipdownload_attachments'] = 1;

// Zip entire folders
$config['zipdownload_folder'] = false;

// Zip selection of messages
$config['zipdownload_selection'] = false;