[zenity] Bug #749359 zenity --list produces incorrect output

[Arx Henrique Pereira da Cruz <arxcruz src gnome org>]

commit 08e8f3e05da467930bb7c24ca7280f7d18fc9122
Author: Arx Cruz <arxcruz gnome org>
Date:   Thu May 14 16:54:34 2015 +0200

    Bug #749359 zenity --list produces incorrect output

 src/zenity.ui |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/zenity.ui b/src/zenity.ui
index f6bc0c7..72be522 100644
--- a/src/zenity.ui
+++ b/src/zenity.ui
@@ -995,6 +995,7 @@
                 <property name="visible">True</property>
                 <property name="can_focus">True</property>
                 <property name="shadow_type">in</property>
+                <property name="expand">True</property>
                 <child>
                   <object class="GtkTreeView" id="zenity_tree_view">
                     <property name="visible">True</property>