[gtk] Update POTFILES.in

[Piotr Drąg <piotrdrag src gnome org>]

commit b3115454ce43697d8e9ba58937e1fa06f8ef3a1c
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Sun Oct 6 15:13:31 2019 +0200

    Update POTFILES.in

 po-properties/POTFILES.in | 1 +
 po/POTFILES.in            | 1 +
 2 files changed, 2 insertions(+)
---
diff --git a/po-properties/POTFILES.in b/po-properties/POTFILES.in
index 5cd656ba1d..5580af2011 100644
--- a/po-properties/POTFILES.in
+++ b/po-properties/POTFILES.in
@@ -292,6 +292,7 @@ gtk/gtktexttag.c
 gtk/gtktexttagtable.c
 gtk/gtktextutil.c
 gtk/gtktextview.c
+gtk/gtktextviewchild.c
 gtk/gtktogglebutton.c
 gtk/gtktoggletoolbutton.c
 gtk/gtktoolbar.c
diff --git a/po/POTFILES.in b/po/POTFILES.in
index f8781d93a7..141d91693d 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -295,6 +295,7 @@ gtk/gtktexttag.c
 gtk/gtktexttagtable.c
 gtk/gtktextutil.c
 gtk/gtktextview.c
+gtk/gtktextviewchild.c
 gtk/gtktogglebutton.c
 gtk/gtktoggletoolbutton.c
 gtk/gtktoolbar.c