[gnome-boxes] Avoid unnecessary closure

[Alexander Larsson <alexl src gnome org>]

commit 4345c6e67d8a352eaf01d53cf2b3907c4af961a4
Author: Alexander Larsson <alexl redhat com>
Date:   Thu Oct 4 16:10:01 2012 +0200

    Avoid unnecessary closure
    
    By accessing this.domain rather than the local var "domain" in the
    function we can avoid passing an unnecessary closure object to the
    signal handler.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=685383

 src/libvirt-machine.vala |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/libvirt-machine.vala b/src/libvirt-machine.vala
index 20edd3e..7c0c63f 100644
--- a/src/libvirt-machine.vala
+++ b/src/libvirt-machine.vala
@@ -114,7 +114,7 @@ private class Boxes.LibvirtMachine: Boxes.Machine {
         domain.suspended.connect (() => { state = MachineState.PAUSED; });
         domain.resumed.connect (() => { state = MachineState.RUNNING; });
         domain.stopped.connect (() => {
-            if (Signal.get_invocation_hint (domain).detail == Quark.from_string ("saved"))
+            if (Signal.get_invocation_hint (this.domain).detail == Quark.from_string ("saved"))
                 state = MachineState.SAVED;
             else
                 state = MachineState.STOPPED;