[hyena] [ListView] Fix formatting issue with header cells

[Gabriel Burt <gburt src gnome org>]

commit 033439d6327078f2347fefc5208d41902717a54a
Author: Gabriel Burt <gabriel burt gmail com>
Date:   Thu Jul 15 14:44:43 2010 -0700

    [ListView] Fix formatting issue with header cells
    
    By setting UseMarkup true it ensures no formatting from other cells
    leaks into the header cells.

 Hyena.Gui/Hyena.Data.Gui/ColumnHeaderCellText.cs |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/Hyena.Gui/Hyena.Data.Gui/ColumnHeaderCellText.cs b/Hyena.Gui/Hyena.Data.Gui/ColumnHeaderCellText.cs
index a5d17b6..e45a54a 100644
--- a/Hyena.Gui/Hyena.Data.Gui/ColumnHeaderCellText.cs
+++ b/Hyena.Gui/Hyena.Data.Gui/ColumnHeaderCellText.cs
@@ -43,6 +43,7 @@ namespace Hyena.Data.Gui
 
         public ColumnHeaderCellText (DataHandler data_handler) : base (null, true)
         {
+            UseMarkup = true;
             this.data_handler = data_handler;
         }