[gtk+] Avoid infinite recursion when removing a grab

[Matthias Clasen <matthiasc src gnome org>]

commit de115c3fd31410b3ac097561a5941b678accc073
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Mar 12 22:01:18 2012 -0400

    Avoid infinite recursion when removing a grab
    
    https://bugzilla.gnome.org/show_bug.cgi?id=671819

 gtk/gtkrange.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtkrange.c b/gtk/gtkrange.c
index e384aaa..c7a2b52 100644
--- a/gtk/gtkrange.c
+++ b/gtk/gtkrange.c
@@ -2365,9 +2365,10 @@ range_grab_remove (GtkRange *range)
 
   if (priv->grab_device)
     {
-      gtk_device_grab_remove (GTK_WIDGET (range),
-                              priv->grab_device);
+      GdkDevice *grab_device = priv->grab_device;
+
       priv->grab_device = NULL;
+      gtk_device_grab_remove (GTK_WIDGET (range), grab_device);
     }
 
   location = priv->grab_location;