[gtk+] gtkspinner: don't setup the timeout twice (#636129)

[Guillaume Desmottes <gdesmott src gnome org>]

commit 8076dbfb5c9b358642b43a82bda36e649b0fe038
Author: Guillaume Desmottes <guillaume desmottes collabora co uk>
Date:   Tue Nov 30 15:59:49 2010 +0100

    gtkspinner: don't setup the timeout twice (#636129)

 gtk/gtkspinner.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkspinner.c b/gtk/gtkspinner.c
index 802689d..2af87b0 100644
--- a/gtk/gtkspinner.c
+++ b/gtk/gtkspinner.c
@@ -293,6 +293,7 @@ gtk_spinner_add_timeout (GtkSpinner *spinner)
 
   priv = spinner->priv;
 
+  g_assert (priv->timeout == 0);
   priv->timeout = gdk_threads_add_timeout ((guint) priv->cycle_duration / priv->num_steps, gtk_spinner_timeout, spinner);
 }
 
@@ -315,7 +316,7 @@ gtk_spinner_map (GtkWidget *widget)
 
   GTK_WIDGET_CLASS (gtk_spinner_parent_class)->map (widget);
 
-  if (priv->active)
+  if (priv->active && priv->timeout == 0)
     gtk_spinner_add_timeout (spinner);
 }