[hyena] call InvalidateVirtualSize on Allocate

[Gabriel Burt <gburt src gnome org>]

commit 863b952bf30d574be6f40c7aeeeb7cac60760fd3
Author: Aaron Bockover <abockover novell com>
Date:   Tue Mar 9 15:40:00 2010 -0500

    call InvalidateVirtualSize on Allocate

 src/Hyena.Gui/Hyena.Data.Gui/DataViewLayout.cs |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/Hyena.Gui/Hyena.Data.Gui/DataViewLayout.cs b/src/Hyena.Gui/Hyena.Data.Gui/DataViewLayout.cs
index 8ebb40c..d54935a 100644
--- a/src/Hyena.Gui/Hyena.Data.Gui/DataViewLayout.cs
+++ b/src/Hyena.Gui/Hyena.Data.Gui/DataViewLayout.cs
@@ -76,6 +76,7 @@ namespace Hyena.Data.Gui
 
             InvalidateChildSize ();
             InvalidateChildCollection ();
+            InvalidateVirtualSize ();
             InvalidateChildLayout ();
         }