[nautilus] a11y: add missing prototype

[Cosimo Cecchi <cosimoc src gnome org>]

commit 91a887f9167239fe204ae560da3ab857aac536c8
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Fri Jun 8 12:05:50 2012 -0400

    a11y: add missing prototype

 eel/eel-canvas.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/eel/eel-canvas.c b/eel/eel-canvas.c
index a17bbf7..9191caa 100644
--- a/eel/eel-canvas.c
+++ b/eel/eel-canvas.c
@@ -4144,6 +4144,8 @@ G_DEFINE_TYPE_WITH_CODE (EelCanvasItemAccessible,
 			 G_IMPLEMENT_INTERFACE (ATK_TYPE_COMPONENT,
 						eel_canvas_item_accessible_component_interface_init));
 
+static GType eel_canvas_item_accessible_factory_get_type (void);
+
 typedef AtkObjectFactory      EelCanvasItemAccessibleFactory;
 typedef AtkObjectFactoryClass EelCanvasItemAccessibleFactoryClass;
 G_DEFINE_TYPE (EelCanvasItemAccessibleFactory, eel_canvas_item_accessible_factory,