[evolution] Forgot a line.

[Matthew Barnes <mbarnes src gnome org>]

commit 125a0dac96efe5fd214c984562fc104b6bed0eed
Author: Matthew Barnes <mbarnes redhat com>
Date:   Thu Aug 26 20:06:48 2010 -0400

    Forgot a line.
    
    This goes with the previous commit.

 widgets/misc/e-attachment-tree-view.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/widgets/misc/e-attachment-tree-view.c b/widgets/misc/e-attachment-tree-view.c
index a2210db..5cc4275 100644
--- a/widgets/misc/e-attachment-tree-view.c
+++ b/widgets/misc/e-attachment-tree-view.c
@@ -588,6 +588,8 @@ e_attachment_tree_view_init (EAttachmentTreeView *tree_view)
 	gtk_tree_view_column_add_attribute (
 		column, renderer, "text",
 		E_ATTACHMENT_STORE_COLUMN_CONTENT_TYPE);
+
+	e_extensible_load_extensions (E_EXTENSIBLE (tree_view));
 }
 
 static void