[swell-foop] Make the new game button as center vertically

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 37b37a662bc952a58980a9872bd0946cc53b2e20
Author: Yosef Or Boczko <yoseforb gmail com>
Date:   Sun Dec 8 19:41:44 2013 +0200

    Make the new game button as center vertically
    
    https://bugzilla.gnome.org/show_bug.cgi?id=720070

 src/swell-foop.vala |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/swell-foop.vala b/src/swell-foop.vala
index d5266f7..564a43a 100644
--- a/src/swell-foop.vala
+++ b/src/swell-foop.vala
@@ -100,6 +100,7 @@ public class SwellFoop : Gtk.Application
         if (Gtk.Settings.get_default ().gtk_shell_shows_app_menu)
         {
             var new_game_button = new Gtk.Button ();
+            new_game_button.valign = Gtk.Align.CENTER;
             new_game_button.label = _("_New");
             new_game_button.get_style_context ().add_class ("text-button");
             new_game_button.use_underline = true;