[swell-foop] Mark string as translatable

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 3c7318b51564431f8d29db41d1775944ce21c3ea
Author: Jiro Matsuzawa <jmatsuzawa gnome org>
Date:   Sun Apr 14 16:11:36 2013 +0900

    Mark string as translatable
    
    https://bugzilla.gnome.org/show_bug.cgi?id=697978

 src/swell-foop.vala |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/swell-foop.vala b/src/swell-foop.vala
index 6d665b2..507d639 100644
--- a/src/swell-foop.vala
+++ b/src/swell-foop.vala
@@ -85,7 +85,7 @@ public class SwellFoop : Gtk.Application
         toolbar.show ();
         vbox.pack_start (toolbar, false, true, 0);
 
-        var new_game_button = new Gtk.ToolButton (null, "_New");
+        var new_game_button = new Gtk.ToolButton (null, _("_New"));
         new_game_button.icon_name = "document-new";
         new_game_button.use_underline = true;
         new_game_button.action_name = "app.new-game";