[hyena] [ListView] Avoid NRE if ColumnController is null

[Gabriel Burt <gburt src gnome org>]

commit cdf210fd71de69003c356c56c2259d23501c3226
Author: Gabriel Burt <gabriel burt gmail com>
Date:   Wed Oct 13 15:11:34 2010 -0500

    [ListView] Avoid NRE if ColumnController is null

 .../Hyena.Data.Gui/ListView/ListView_Model.cs      |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/Hyena.Gui/Hyena.Data.Gui/ListView/ListView_Model.cs b/Hyena.Gui/Hyena.Data.Gui/ListView/ListView_Model.cs
index c342f71..aa384a6 100644
--- a/Hyena.Gui/Hyena.Data.Gui/ListView/ListView_Model.cs
+++ b/Hyena.Gui/Hyena.Data.Gui/ListView/ListView_Model.cs
@@ -66,7 +66,7 @@ namespace Hyena.Data.Gui
             }
 
             ISortable sortable = model as ISortable;
-            if (sortable != null) {
+            if (sortable != null && ColumnController != null) {
                 ISortableColumn sort_column = ColumnController.SortColumn ?? ColumnController.DefaultSortColumn;
                 if (sort_column != null) {
                     sortable.Sort (sort_column);