stack: Don't leak a reference

The page holds a reference to the widget, so can't just clear
this pointer.

diff --git a/gtk/gtkstack.c b/gtk/gtkstack.c
index 633a5ae712c17b84e92483a223ed7a943ee81f97..c1c843a45a2f706ccedea70feb0639ef8e483482 100644 (file)
--- a/gtk/gtkstack.c
+++ b/gtk/gtkstack.c
@@ -1425,7 +1425,7 @@ stack_remove (GtkStack  *stack,
 
   was_visible = gtk_widget_get_visible (child);
 
-  child_info->widget = NULL;
+  g_clear_object (&child_info->widget);
 
   if (priv->visible_child == child_info)
     {