[gimp/gimp-2-10] Update POTFILES.in

[Piotr Drąg <piotrdrag src gnome org>]

commit 0a3ec870cfa9c2e8062ad8395f12d759db1e6f80
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Sun Feb 9 12:49:11 2020 +0100

    Update POTFILES.in

 po/POTFILES.in | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/po/POTFILES.in b/po/POTFILES.in
index efede3dfb8..ba844e4baa 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -9,6 +9,7 @@ desktop/gimp.desktop.in.in
 
 app/about.h
 app/app.c
+app/gimp-update.c
 app/gimp-version.c
 app/main.c
 app/sanity.c