[gnome-todo] theme-selector: Properly dispose child

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 41dbece926dc386a2691a3f244f4d0049e5deee5
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Fri Nov 5 15:37:06 2021 -0300

    theme-selector: Properly dispose child

 src/gui/gtd-theme-selector.c | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/src/gui/gtd-theme-selector.c b/src/gui/gtd-theme-selector.c
index e64b3b8a..e1ce8b08 100644
--- a/src/gui/gtd-theme-selector.c
+++ b/src/gui/gtd-theme-selector.c
@@ -27,6 +27,7 @@ struct _GtdThemeSelector
 {
   GtkWidget           parent;
 
+  GtkWidget          *box;
   GtkToggleButton    *system;
   GtkToggleButton    *dark;
   GtkToggleButton    *light;
@@ -128,6 +129,7 @@ gtd_theme_selector_dispose (GObject *object)
   GtdThemeSelector *self = (GtdThemeSelector *)object;
 
   g_clear_pointer (&self->theme, g_free);
+  g_clear_pointer (&self->box, gtk_widget_unparent);
 
   G_OBJECT_CLASS (gtd_theme_selector_parent_class)->dispose (object);
 }
@@ -193,6 +195,7 @@ gtd_theme_selector_class_init (GtdThemeSelectorClass *klass)
 
   gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/todo/ui/gtd-theme-selector.ui");
 
+  gtk_widget_class_bind_template_child (widget_class, GtdThemeSelector, box);
   gtk_widget_class_bind_template_child (widget_class, GtdThemeSelector, system);
   gtk_widget_class_bind_template_child (widget_class, GtdThemeSelector, dark);
   gtk_widget_class_bind_template_child (widget_class, GtdThemeSelector, light);