label: Ignore setting attrs from NULL to NULL

diff --git a/gtk/gtklabel.c b/gtk/gtklabel.c
index a2ffff86aca3e344e8f3d5a0b5a16668b888a40c..33d5d7cc2bf30be1f69b222d651d454cdbc7ee6f 100644 (file)
--- a/gtk/gtklabel.c
+++ b/gtk/gtklabel.c
@@ -1793,6 +1793,11 @@ gtk_label_set_attributes (GtkLabel         *self,
 {
   g_return_if_fail (GTK_IS_LABEL (self));
 
+  if (!attrs && !self->attrs)
+    return;
+
+  if (attrs == self->attrs) g_error ("Z");
+
   if (attrs)
     pango_attr_list_ref (attrs);