[gtk] Update POTFILES.in

[Piotr Drąg <piotrdrag src gnome org>]

commit faaf828c744f349fe55a0eb87c6edc2bb231d731
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Thu Apr 5 22:54:03 2018 +0200

    Update POTFILES.in

 po-properties/POTFILES.in | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/po-properties/POTFILES.in b/po-properties/POTFILES.in
index 14d0eca7d5..a217946a4d 100644
--- a/po-properties/POTFILES.in
+++ b/po-properties/POTFILES.in
@@ -129,6 +129,7 @@ gtk/gtkentrybuffer.c
 gtk/gtkentry.c
 gtk/gtkentrycompletion.c
 gtk/gtkeventcontroller.c
+gtk/gtkeventcontrollerkey.c
 gtk/gtkeventcontrollermotion.c
 gtk/gtkeventcontrollerscroll.c
 gtk/gtkexpander.c
@@ -159,6 +160,7 @@ gtk/gtkgesturemultipress.c
 gtk/gtkgesturepan.c
 gtk/gtkgesturerotate.c
 gtk/gtkgesturesingle.c
+gtk/gtkgesturestylus.c
 gtk/gtkgestureswipe.c
 gtk/gtkgesturezoom.c
 gtk/gtkglarea.c