GtkStack: silently ignore visible-child-name set to NULL

This can happen when loading empty stacks in glade.

diff --git a/gtk/gtkstack.c b/gtk/gtkstack.c
index 130426c58225268dbeab081494171b623e8eab43..9726beddb4bd70f2ce7582ac46fc7206ac76433d 100644 (file)
--- a/gtk/gtkstack.c
+++ b/gtk/gtkstack.c
@@ -1701,7 +1701,9 @@ gtk_stack_set_visible_child_full (GtkStack               *stack,
   GList *l;
 
   g_return_if_fail (GTK_IS_STACK (stack));
-  g_return_if_fail (name != NULL);
+
+  if (name == NULL)
+    return;
 
   child_info = NULL;
   for (l = priv->children; l != NULL; l = l->next)