[gtk+/gtk-2.90] Do not assign the parent class twice

[Christian Dywan <cdywan src gnome org>]

commit b50b4e795407017dc32409e94ead7cfd85f7dd37
Author: Xan Lopez <xan gnome org>
Date:   Thu Oct 15 09:43:08 2009 +0300

    Do not assign the parent class twice
    
    G_DEFINE_TYPE already does this for us, no need to do it again in
    class_init
    
    https://bugzilla.gnome.org/show_bug.cgi?id=598515

 gtk/gtkspinner.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtkspinner.c b/gtk/gtkspinner.c
index e4566fb..036d0b1 100644
--- a/gtk/gtkspinner.c
+++ b/gtk/gtkspinner.c
@@ -102,8 +102,6 @@ gtk_spinner_class_init (GtkSpinnerClass *klass)
   GObjectClass *gobject_class;
   GtkWidgetClass *widget_class;
 
-  gtk_spinner_parent_class = g_type_class_peek_parent (klass);
-
   gobject_class = G_OBJECT_CLASS(klass);
   g_type_class_add_private (gobject_class, sizeof (GtkSpinnerPrivate));
   gobject_class->dispose = gtk_spinner_dispose;