[gnome-break-timer] Make the settings button as center vertically

[Dylan McCall <dylanmccall src gnome org>]

commit 852ca9691343b0a4ca722181fbf9f1e7a2c39ba0
Author: Yosef Or Boczko <yoseforb gmail com>
Date:   Thu Sep 19 20:56:00 2013 +0300

    Make the settings button as center vertically
    
    Signed-off-by: Dylan McCall <dylanmccall ubuntu com>

 settings/MainWindow.vala |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/settings/MainWindow.vala b/settings/MainWindow.vala
index 384518f..6e40e9e 100644
--- a/settings/MainWindow.vala
+++ b/settings/MainWindow.vala
@@ -80,6 +80,7 @@ public class MainWindow : Gtk.ApplicationWindow {
                        "preferences-system-symbolic",
                        Gtk.IconSize.MENU)
                );
+               settings_button.valign = Gtk.Align.CENTER;
                settings_button.set_always_show_image (true);
 
                this.main_stack = new Stack ();