[gnome-builder] Update POTFILES.in

[Piotr Drąg <piotrdrag src gnome org>]

commit 91ab73430c19b194746a954ea58df5157b61a368
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Tue Sep 26 12:08:46 2017 +0200

    Update POTFILES.in

 po/POTFILES.in |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 69d6b50..5a31a7c 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -89,6 +89,7 @@ src/libide/layout/ide-layout-stack.c
 src/libide/layout/ide-layout-stack.ui
 src/libide/preferences/ide-preferences-builtin.c
 src/libide/preferences/ide-preferences-perspective.c
+src/libide/preferences/ide-preferences-window.ui
 src/libide/projects/ide-project.c
 src/libide/projects/ide-recent-projects.c
 src/libide/runner/ide-run-button.ui