[gnome-control-center] printers: The scrolled window should vertically expand

[Felipe Borges <felipeborges src gnome org>]

commit 272bad14a078ba003362d08262e7eba0ae1d0f83
Author: Felipe Borges <felipeborges gnome org>
Date:   Wed Aug 23 11:03:54 2017 +0200

    printers: The scrolled window should vertically expand
    
    In the new Shell the Printers panel scrolled window doesn't
    necessarily fills the whole vertical space available.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=786674

 panels/printers/printers.ui |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/panels/printers/printers.ui b/panels/printers/printers.ui
index 71aa758..31298f5 100644
--- a/panels/printers/printers.ui
+++ b/panels/printers/printers.ui
@@ -130,6 +130,7 @@
             <property name="visible">True</property>
             <property name="hscrollbar-policy">GTK_POLICY_NEVER</property>
             <property name="min-content-height">490</property>
+            <property name="vexpand">True</property>
             <child>
               <object class="GtkListBox" id="content">
                 <property name="visible">True</property>