[gnome-boxes] libvirt-machine-properties: Save machine's name on change

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit a8eeab046aefb309fb4cd13039b1a729bb20d042
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Thu Aug 14 09:34:56 2014 +0200

    libvirt-machine-properties: Save machine's name on change
    
    This patch ensures that the machine's name is saved everytime it changes.
    
    Also, together with following patches this allows editing name through
    window's title.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=692383

 src/libvirt-machine-properties.vala |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)
---
diff --git a/src/libvirt-machine-properties.vala b/src/libvirt-machine-properties.vala
index f00d30e..54b2b15 100644
--- a/src/libvirt-machine-properties.vala
+++ b/src/libvirt-machine-properties.vala
@@ -9,9 +9,16 @@ private class Boxes.LibvirtMachineProperties: GLib.Object, Boxes.IPropertiesProv
 
     public LibvirtMachineProperties (LibvirtMachine machine) {
         this.machine = machine;
+
+        machine.notify["name"].connect (() => {
+            try_change_name (machine.name);
+        });
     }
 
     private bool try_change_name (string name) {
+        if (machine.name == name)
+            return false;
+
         try {
             var config = machine.domain.get_config (GVir.DomainXMLFlags.INACTIVE);
             // Te use libvirt "title" for free form user name