[four-in-a-row: 61/72] Update POTFILES.in

[Michael Catanzaro <mcatanzaro src gnome org>]

commit f39c422304cad0d8c6a5f13c47ec3c0ecd481c03
Author: Michael Catanzaro <mcatanzaro igalia com>
Date:   Sat Dec 15 21:02:54 2018 -0600

    Update POTFILES.in

 po/POTFILES.in | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 9393511..0abe84d 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -4,8 +4,10 @@ data/four-in-a-row.appdata.xml.in
 data/four-in-a-row.desktop.in
 data/four-in-a-row.ui
 data/org.gnome.four-in-a-row.gschema.xml
+src/four-in-a-row.vala
 src/games-controls-list.vala
-src/gfx.vala
 src/main.vala
 src/prefs.vala
-src/theme.vala
\ No newline at end of file
+src/prefs-box.vala
+src/scorebox.vala
+src/theme.vala