stack: Fix crash on g_object_get("visible-child")

priv->visible_child is not a GtkWidget but a custom struct holding the
widget. So use the getter instead.

diff --git a/gtk/gtkstack.c b/gtk/gtkstack.c
index 1f0da9e3d41d24ef9b500e875428a13ac3ffc5ba..1c61192df7266e9183dd31b32f11579d6c0a4b32 100644 (file)
--- a/gtk/gtkstack.c
+++ b/gtk/gtkstack.c
@@ -227,7 +227,7 @@ gtk_stack_get_property (GObject   *object,
       g_value_set_boolean (value, priv->homogeneous);
       break;
     case PROP_VISIBLE_CHILD:
-      g_value_set_object (value, priv->visible_child);
+      g_value_set_object (value, gtk_stack_get_visible_child (stack));
       break;
     case PROP_VISIBLE_CHILD_NAME:
       g_value_set_string (value, gtk_stack_get_visible_child_name (stack));