[gnome-builder/wip/exalm/fix-vala] meson-template: Fix a warning in the legacy Vala template

[Alexander Mikhaylenko <alexm src gnome org>]

commit 8237b99001afd77606c2abce906642da1b1dd3a4
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Wed Mar 16 00:19:11 2022 +0400

    meson-template: Fix a warning in the legacy Vala template

 src/plugins/meson-templates/resources/src/window.vala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/plugins/meson-templates/resources/src/window.vala 
b/src/plugins/meson-templates/resources/src/window.vala
index 26fe751dd..4cc978a15 100644
--- a/src/plugins/meson-templates/resources/src/window.vala
+++ b/src/plugins/meson-templates/resources/src/window.vala
@@ -4,7 +4,7 @@ namespace {{PreFix}} {
        [GtkTemplate (ui = "{{appid_path}}/{{ui_file}}")]
        public class Window : Gtk.ApplicationWindow {
                [GtkChild]
-               Gtk.Label label;
+               private unowned Gtk.Label label;
 
                public Window (Gtk.Application app) {
                        Object (application: app);