[gnome-builder] meson-templates: Add missing license header

[Patrick Griffis <pgriffis src gnome org>]

commit 5fe2b7771d98d9d58ff8a47f2f273c0dc1cd88ce
Author: Patrick Griffis <tingping tingping se>
Date:   Sun Aug 13 20:13:26 2017 -0400

    meson-templates: Add missing license header

 .../meson_templates/resources/src/window.js        |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/plugins/meson-templates/meson_templates/resources/src/window.js 
b/plugins/meson-templates/meson_templates/resources/src/window.js
index 2f7dd83..c5f3352 100644
--- a/plugins/meson-templates/meson_templates/resources/src/window.js
+++ b/plugins/meson-templates/meson_templates/resources/src/window.js
@@ -1,3 +1,5 @@
+{{include "license.js"}}
+
 const Gtk = imports.gi.Gtk;
 const Lang = imports.lang;