[gnome-boxes] Mark 'no password' string for translation

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit d763bf9ddc55c469b31e27a20343f93af36c0522
Author: Zeeshan Ali (Khattak) <zeeshanak gnome org>
Date:   Tue Mar 20 18:52:22 2012 +0200

    Mark 'no password' string for translation
    
    This was accidently not marked for translation, previously.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=672457

 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 d7939ba..100339d 100644
--- a/src/unattended-installer.vala
+++ b/src/unattended-installer.vala
@@ -23,7 +23,7 @@ private abstract class Boxes.UnattendedInstaller: InstallerMedia {
     public string hidden_password {
         owned get {
             return password_entry.text.length > 0 ?
-                   string.nfill (password_entry.text_length, '*') : "no password";
+                   string.nfill (password_entry.text_length, '*') : _("no password");
         }
     }