[gnome-boxes] Move generic error to Utils module

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit 329a4a9ae4ea588634fbdc2ec8633b21ba4558d9
Author: Zeeshan Ali (Khattak) <zeeshanak gnome org>
Date:   Thu Oct 27 20:21:00 2011 +0300

    Move generic error to Utils module

 src/app.vala  |    4 ----
 src/util.vala |    4 ++++
 2 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/src/app.vala b/src/app.vala
index 27ba436..18c12c3 100644
--- a/src/app.vala
+++ b/src/app.vala
@@ -3,10 +3,6 @@ using Gtk;
 using Gdk;
 using Clutter;
 
-private errordomain Boxes.Error {
-    INVALID
-}
-
 private enum Boxes.AppPage {
     MAIN,
     DISPLAY
diff --git a/src/util.vala b/src/util.vala
index 5ebc9e6..7fa78de 100644
--- a/src/util.vala
+++ b/src/util.vala
@@ -3,6 +3,10 @@ using Gtk;
 using Config;
 using Xml;
 
+private errordomain Boxes.Error {
+    INVALID
+}
+
 namespace Boxes {
     // FIXME: Remove these when we can use Vala release that provides binding for gdkkeysyms.h
     private const uint F10_KEY = 0xffc7;