[gnome-robots] Update POTFILES.in

[Piotr Drąg <piotrdrag src gnome org>]

commit d47ecc2f656a04e97064dff5047bbdea7f14d3a0
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Sat Oct 10 11:55:53 2020 +0200

    Update POTFILES.in

 po/POTFILES.in | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)
---
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 930522b..4c7c21b 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -4,8 +4,9 @@ data/app-menu.ui
 data/org.gnome.Robots.appdata.xml.in
 data/org.gnome.Robots.desktop.in
 data/org.gnome.Robots.gschema.xml
-src/game.c
-src/games-controls.c
-src/gnome-robots.c
-src/graphics.c
-src/properties.c
+src/application.vala
+src/controls.vala
+src/game-area.vala
+src/properties-dialog.vala
+src/scores.vala
+src/window.vala