[gnome-boxes] Throw errors from Libvirt::update_display

[Christophe Fergeau <teuf src gnome org>]

commit 5aa069ba0bf2353b6db19002d334f21837fb0e0c
Author: Christophe Fergeau <cfergeau redhat com>
Date:   Mon Sep 17 15:04:24 2012 +0200

    Throw errors from Libvirt::update_display
    
    We want LibvirtMachine::connect_display to be able to report
    connection errors.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=684224

 src/libvirt-machine.vala |   14 +++++++-------
 1 files changed, 7 insertions(+), 7 deletions(-)
---
diff --git a/src/libvirt-machine.vala b/src/libvirt-machine.vala
index d7bd089..23d03fc 100644
--- a/src/libvirt-machine.vala
+++ b/src/libvirt-machine.vala
@@ -298,7 +298,11 @@ private class Boxes.LibvirtMachine: Boxes.Machine {
 
         // the wizard may want to modify display properties, before connect_display()
         if (display == null)
-            update_display ();
+            try {
+                update_display ();
+            } catch (GLib.Error e) {
+                warning (e.message);
+            }
 
         switch (page) {
         case PropertiesPage.LOGIN:
@@ -327,14 +331,10 @@ private class Boxes.LibvirtMachine: Boxes.Machine {
         return list;
     }
 
-    private void update_display () {
+    private void update_display () throws GLib.Error {
         update_domain_config ();
 
-        try {
-            display = create_display ();
-        } catch (GLib.Error error) {
-            warning (error.message);
-        }
+        display = create_display ();
     }
 
     private Display? create_display () throws Boxes.Error {