[dia] Update POTFILES.in

[Piotr Drąg <piotrdrag src gnome org>]

commit bb494d284322073260e5fc92a65f172b80ae4330
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Fri May 1 11:43:39 2020 +0200

    Update POTFILES.in

 po/POTFILES.in | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
---
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 9cf1353a..56f3d394 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -9,9 +9,9 @@ app/defaults.c
 app/diagram.c
 app/diagram_tree_model.c
 app/diagram_tree_view.c
-app/diapagelayout.c
 app/dia-colour-area.c
 app/dia-line-width-area.c
+app/dia-page-layout.c
 app/dia-props.c
 app/dia-guide-dialog.c
 app/disp_callbacks.c
@@ -40,6 +40,7 @@ app/toolbox.c
 app/winmain.c
 data/org.gnome.Dia.appdata.xml.in
 data/org.gnome.Dia.desktop.in
+data/ui/preferences-dialog.ui
 data/ui/properties-dialog.ui
 data/ui/sheets-edit-dialog.ui
 data/ui/sheets-main-dialog.ui
@@ -85,6 +86,7 @@ lib/prop_widgets.c
 lib/sheet.c
 lib/standard-path.c
 lib/text.c
+lib/units.c
 lib/widgets.c
 lib/renderer/diacairo-interactive.c
 lib/renderer/diacairo-renderer.c