[gnome-boxes] vm-creator: Unhook from state-changed signal on machine deletion

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit d520627bb750735903e05d31e63fe7ce22f4b861
Author: Zeeshan Ali (Khattak) <zeeshanak gnome org>
Date:   Thu Jul 5 05:22:01 2012 +0300

    vm-creator: Unhook from state-changed signal on machine deletion
    
    No point in keeping track of machine's state and (keep a ref to it as a
    side-effect) if its deleted.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=679430

 src/vm-creator.vala |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/vm-creator.vala b/src/vm-creator.vala
index 0376b31..e55cb6f 100644
--- a/src/vm-creator.vala
+++ b/src/vm-creator.vala
@@ -81,6 +81,7 @@ private class Boxes.VMCreator {
         var domain = machine.domain;
 
         if (machine.deleted) {
+            machine.disconnect (state_changed_id);
             debug ("'%s' was deleted, no need for post-installation setup on it", machine.name);
             return;
         }