[gtk+] Remove leftover from commit 7264a996fe6bb4a21f6c8453b1acd4dc1a2daf79

[Stefano Facchini <sfacchini src gnome org>]

commit 95f3fadcbd9cb7bbb961df3d727a116f0670005f
Author: Stefano Facchini <stefano facchini gmail com>
Date:   Sun Oct 14 11:53:15 2012 +0200

    Remove leftover from commit 7264a996fe6bb4a21f6c8453b1acd4dc1a2daf79

 gtk/a11y/gtkarrowaccessible.h |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/gtk/a11y/gtkarrowaccessible.h b/gtk/a11y/gtkarrowaccessible.h
index 492a473..6b1a697 100644
--- a/gtk/a11y/gtkarrowaccessible.h
+++ b/gtk/a11y/gtkarrowaccessible.h
@@ -38,7 +38,6 @@ struct _GtkArrowAccessible
   GtkWidgetAccessible parent;
 
   GtkArrowAccessiblePrivate *priv;
-  gchar *image_description;
 };
 
 struct _GtkArrowAccessibleClass