[gtk+: 2/2] GtkStack: silently ignore visible-child-name set to NULL

[Matthias Clasen <matthiasc src gnome org>]

commit f71831c7809b8def726373ec0a7d36bb3f82ab5e
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Nov 25 00:14:47 2014 -0500

    GtkStack: silently ignore visible-child-name set to NULL
    
    This can happen when loading empty stacks in glade.

 gtk/gtkstack.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkstack.c b/gtk/gtkstack.c
index 130426c..9726bed 100644
--- 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)