fixed: HTML bug when a domain had no content

app/modules/filesinfolders.php

@@ -242,7 +242,9 @@ class FilesInFolders {
 
                     $prev = $type;
                 }
-                $this->content[$domain][] = "</div>";
+                if (count($this->content[$domain])) {
+                    $this->content[$domain][] = "</div>";
+                }
             }
         }
     }