[baobab] Adapt to recent GtkInfobar changes

[Stefano Facchini <sfacchini src gnome org>]

commit e888682ee6370d872a4298b574be9a6cdf3aca94
Author: Stefano Facchini <stefano facchini gmail com>
Date:   Sat Aug 3 11:33:00 2013 +0200

    Adapt to recent GtkInfobar changes

 src/baobab-main-window.ui |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/baobab-main-window.ui b/src/baobab-main-window.ui
index d096ddf..3fc6b17 100644
--- a/src/baobab-main-window.ui
+++ b/src/baobab-main-window.ui
@@ -156,6 +156,7 @@
                 <property name="border_width">8</property>
                 <property name="orientation">vertical</property>
                 <property name="spacing">16</property>
+                <property name="hexpand">True</property>
                 <child>
                   <object class="GtkLabel" id="infobar_primary_label">
                     <property name="visible">True</property>