[cheese/ricotz/vala] Reference of [GtkChild] fields is handled by GtkBuilder, type must be unowned

[Rico Tzschichholz <ricotz src gnome org>]

commit d3c87232cb24ff3199f0dd459cf363a09db262a0
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Tue May 4 09:50:04 2021 +0200

    Reference of [GtkChild] fields is handled by GtkBuilder, type must be unowned

 src/cheese-preferences.vala | 22 +++++++++++-----------
 src/cheese-window.vala      | 20 ++++++++++----------
 2 files changed, 21 insertions(+), 21 deletions(-)
---
diff --git a/src/cheese-preferences.vala b/src/cheese-preferences.vala
index 80a92431..8acc4e2c 100644
--- a/src/cheese-preferences.vala
+++ b/src/cheese-preferences.vala
@@ -29,32 +29,32 @@ public class Cheese.PreferencesDialog : Gtk.Dialog
     private GLib.Settings settings;
 
     [GtkChild]
-    private Gtk.ComboBox photo_resolution_combo;
+    private unowned Gtk.ComboBox photo_resolution_combo;
     [GtkChild]
-    private Gtk.ComboBox video_resolution_combo;
+    private unowned Gtk.ComboBox video_resolution_combo;
     [GtkChild]
-    private Gtk.ComboBox source_combo;
+    private unowned Gtk.ComboBox source_combo;
 
     private Gtk.ListStore camera_model;
 
     [GtkChild]
-    private Gtk.Adjustment brightness_adjustment;
+    private unowned Gtk.Adjustment brightness_adjustment;
     [GtkChild]
-    private Gtk.Adjustment contrast_adjustment;
+    private unowned Gtk.Adjustment contrast_adjustment;
     [GtkChild]
-    private Gtk.Adjustment hue_adjustment;
+    private unowned Gtk.Adjustment hue_adjustment;
     [GtkChild]
-    private Gtk.Adjustment saturation_adjustment;
+    private unowned Gtk.Adjustment saturation_adjustment;
 
     [GtkChild]
-    private Gtk.SpinButton burst_repeat_spin;
+    private unowned Gtk.SpinButton burst_repeat_spin;
     [GtkChild]
-    private Gtk.SpinButton burst_delay_spin;
+    private unowned Gtk.SpinButton burst_delay_spin;
 
     [GtkChild]
-    private Gtk.CheckButton countdown_check;
+    private unowned Gtk.CheckButton countdown_check;
     [GtkChild]
-    private Gtk.CheckButton flash_check;
+    private unowned Gtk.CheckButton flash_check;
   
     private MediaMode current_mode;
 
diff --git a/src/cheese-window.vala b/src/cheese-window.vala
index cc119b68..bded2b54 100644
--- a/src/cheese-window.vala
+++ b/src/cheese-window.vala
@@ -54,27 +54,27 @@ public class Cheese.MainWindow : Gtk.ApplicationWindow
     private GLib.Settings settings;
 
     [GtkChild]
-    private GtkClutter.Embed viewport_widget;
+    private unowned GtkClutter.Embed viewport_widget;
     [GtkChild]
-    private Gtk.Widget main_vbox;
+    private unowned Gtk.Widget main_vbox;
     private Eog.ThumbNav thumb_nav;
     private Cheese.ThumbView thumb_view;
     [GtkChild]
-    private Gtk.Box thumbnails_right;
+    private unowned Gtk.Box thumbnails_right;
     [GtkChild]
-    private Gtk.Box thumbnails_bottom;
+    private unowned Gtk.Box thumbnails_bottom;
     [GtkChild]
-    private Gtk.Widget leave_fullscreen_button_box;
+    private unowned Gtk.Widget leave_fullscreen_button_box;
     [GtkChild]
-    private Gtk.Button take_action_button;
+    private unowned Gtk.Button take_action_button;
     [GtkChild]
-    private Gtk.Image take_action_button_image;
+    private unowned Gtk.Image take_action_button_image;
     [GtkChild]
-    private Gtk.ToggleButton effects_toggle_button;
+    private unowned Gtk.ToggleButton effects_toggle_button;
     [GtkChild]
-    private Gtk.Widget buttons_area;
+    private unowned Gtk.Widget buttons_area;
     [GtkChild]
-    private Gtk.Button switch_camera_button;
+    private unowned Gtk.Button switch_camera_button;
     private Gtk.Menu thumbnail_popup;
 
     private Clutter.Stage viewport;