Fix display of HTML entities in protected folder name (#1489042)

program/steps/settings/edit_folder.inc

@@ -78,7 +78,7 @@ function rcmail_folder_form($attrib)
 
     // Location (name)
     if ($options['protected']) {
-        $foldername = Q(str_replace($delimiter, ' » ', rcmail_localize_folderpath($mbox_imap)));
+        $foldername = str_replace($delimiter, ' » ', Q(rcmail_localize_folderpath($mbox_imap)));
     }
     else if ($options['norename']) {
         $foldername = Q($folder);