[gtk] Update POTFILES.in

[Piotr Drąg <piotrdrag src gnome org>]

commit 7371d14718c80399b34520ce96382e3b721fe21b
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Fri Feb 8 19:16:35 2019 +0100

    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 86b5281fed..f5d226f132 100644
--- a/po-properties/POTFILES.in
+++ b/po-properties/POTFILES.in
@@ -330,6 +330,7 @@ gtk/paper_names_offsets.c
 gtk/script-names.c
 gtk/tools/encodesymbolic.c
 gtk/tools/gtk-builder-tool.c
+gtk/tools/gtk-builder-tool-simplify.c
 gtk/tools/gtk-launch.c
 gtk/tools/updateiconcache.c
 modules/media/gtkffmediafile.c
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 46f5806cbc..fac6870b44 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -351,6 +351,7 @@ gtk/paper_names_offsets.c
 gtk/script-names.c
 gtk/tools/encodesymbolic.c
 gtk/tools/gtk-builder-tool.c
+gtk/tools/gtk-builder-tool-simplify.c
 gtk/tools/gtk-launch.c
 gtk/tools/updateiconcache.c
 gtk/ui/gtkaboutdialog.ui