[four-in-a-row] Update POTFILES.in and POTFILES.skip

[Piotr Drąg <piotrdrag src gnome org>]

commit c10e3c4180801852f86a2a1d6c618fbeed586cb4
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Mon Dec 23 02:38:25 2019 +0100

    Update POTFILES.in and POTFILES.skip

 po/POTFILES.in   | 3 ++-
 po/POTFILES.skip | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 59d9c91..20549a1 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -2,13 +2,14 @@
 # Please keep this file in alphabetical order.
 data/ui/fiar-screens.ui
 data/ui/four-in-a-row.ui
+data/ui/help-overlay.ui
 data/ui/history-button.ui
 data/org.gnome.Four-in-a-row.appdata.xml.in
 data/org.gnome.Four-in-a-row.desktop.in
 data/org.gnome.Four-in-a-row.gschema.xml
 src/four-in-a-row.vala
+src/game-window.vala
 src/history-button.vala
 src/new-game-screen.vala
-src/prefs.vala
 src/scorebox.vala
 src/theme.vala
diff --git a/po/POTFILES.skip b/po/POTFILES.skip
index 6e480b8..ae5c045 100644
--- a/po/POTFILES.skip
+++ b/po/POTFILES.skip
@@ -1,6 +1,6 @@
 src/four-in-a-row.c
+src/game-window.c
 src/history-button.c
 src/new-game-screen.c
-src/prefs.c
 src/scorebox.c
 src/theme.c