-static void ps_document_file_exporter_iface_init (EvFileExporterIface *iface);
-static void ps_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface);
+static void ps_document_file_exporter_iface_init (EvFileExporterInterface *iface);
+static void ps_document_document_thumbnails_iface_init (EvDocumentThumbnailsInterface *iface);