[gnome-boxes] unattended-installer: Add missing 'private' modifier

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit 878e9ae59271b69f8899f8cba83d67ee2a7873bd
Author: Zeeshan Ali (Khattak) <zeeshanak gnome org>
Date:   Mon May 20 19:49:56 2013 +0300

    unattended-installer: Add missing 'private' modifier
    
    As per coding-style.

 src/unattended-installer.vala |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/unattended-installer.vala b/src/unattended-installer.vala
index 36233fd..0e70ce5 100644
--- a/src/unattended-installer.vala
+++ b/src/unattended-installer.vala
@@ -78,7 +78,7 @@ private class Boxes.UnattendedInstaller: InstallerMedia {
     private string kbd;
     private bool driver_signing = true;
 
-    ulong key_inserted_id; // ID of key_entry.insert_text signal handler
+    private ulong key_inserted_id; // ID of key_entry.insert_text signal handler
 
     private static Fdo.Accounts? accounts;