[gtk+] widget-factory: Use multi-selection for the listbox example

[Matthias Clasen <matthiasc src gnome org>]

commit 0431ee2b5746a3d66c7a53880705a0a72f6e2e5a
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Jul 14 08:49:54 2014 -0400

    widget-factory: Use multi-selection for the listbox example

 demos/widget-factory/widget-factory.ui |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/demos/widget-factory/widget-factory.ui b/demos/widget-factory/widget-factory.ui
index 5629f19..9bb2252 100644
--- a/demos/widget-factory/widget-factory.ui
+++ b/demos/widget-factory/widget-factory.ui
@@ -2994,7 +2994,7 @@ Suspendisse feugiat quam quis dolor accumsan cursus. </property>
                         <child>
                           <object class="GtkListBox" id="munsell">
                             <property name="visible">True</property>
-                            <property name="selection-mode">single</property>
+                            <property name="selection-mode">multiple</property>
                           </object>
                         </child>
                       </object>