[lightsoff] Fix "Level %d" translation

[Yosef Or Boczko <yoseforb src gnome org>]

commit c38f1da48a8a21456f9752f06070a99ba4c9c35b
Author: Yosef Or Boczko <yoseforb src gnome org>
Date:   Wed Aug 20 10:29:28 2014 +0300

    Fix "Level %d" translation

 src/lightsoff.vala |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/lightsoff.vala b/src/lightsoff.vala
index 287a394..387c014 100644
--- a/src/lightsoff.vala
+++ b/src/lightsoff.vala
@@ -104,7 +104,7 @@ public class LightsOff : Gtk.Application
     private void update_title (int level)
     {
         /* The title of the window, %d is the level number */
-        headerbar.title = _("Level %d".printf (level));
+        headerbar.title = _("Level %d").printf (level);
         /* Subtitle of the window when playing level one. */
         headerbar.subtitle = level == 1 ? _("Turn off all the lights!") : null;
     }