[hyena] RatingEntry: Fix scrolling with the mouse wheel

[Bertrand Lorentz <blorentz src gnome org>]

commit 80405a52298820f9aaf1c52204513d6ad096fd41
Author: Bertrand Lorentz <bertrand lorentz gmail com>
Date:   Wed Oct 9 13:13:58 2013 +0200

    RatingEntry: Fix scrolling with the mouse wheel
    
    For scrolling with the mouse wheel to work, you now need to set the
    ScrollMask event mask.

 Hyena.Gui/Hyena.Widgets/RatingEntry.cs |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/Hyena.Gui/Hyena.Widgets/RatingEntry.cs b/Hyena.Gui/Hyena.Widgets/RatingEntry.cs
index 7dedf00..e747f65 100644
--- a/Hyena.Gui/Hyena.Widgets/RatingEntry.cs
+++ b/Hyena.Gui/Hyena.Widgets/RatingEntry.cs
@@ -172,6 +172,7 @@ namespace Hyena.Widgets
                 Gdk.EventMask.KeyReleaseMask |
                 Gdk.EventMask.ButtonPressMask |
                 Gdk.EventMask.ButtonReleaseMask |
+                Gdk.EventMask.ScrollMask |
                 Gdk.EventMask.ExposureMask);
 
             Gdk.WindowAttributesType attributes_mask =