[gnome-boxes] wizard-source: Make the wizard content scrollable

[Felipe Borges <felipeborges src gnome org>]

commit 282d23de39a4171723c9d9432085eb6a7f128e04
Author: Felipe Borges <felipeborges gnome org>
Date:   Thu Nov 16 16:16:35 2017 +0100

    wizard-source: Make the wizard content scrollable
    
    See mockups at
    https://bug790381.bugzilla-attachments.gnome.org/attachment.cgi?id=363689
    
    https://bugzilla.gnome.org/show_bug.cgi?id=790614

 data/ui/wizard-source.ui |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)
---
diff --git a/data/ui/wizard-source.ui b/data/ui/wizard-source.ui
index 18c87b3..37e2db0 100644
--- a/data/ui/wizard-source.ui
+++ b/data/ui/wizard-source.ui
@@ -6,6 +6,10 @@
     <property name="transition-type">slide-left-right</property>
     <property name="transition-duration">400</property>
 
+<child>
+  <object class="GtkScrolledWindow">
+    <property name="visible">True</property>
+
     <!-- main page -->
     <child>
       <object class="GtkBox" id="main_vbox">
@@ -299,6 +303,9 @@
       </packing>
     </child>
 
+  </object>
+</child>
+
     <!-- RHEL web view page -->
     <child>
       <object class="BoxesWizardWebView" id="rhel_web_view">