[gnome-chess] Add the "linked" style to the navigation buttons

[Michael Catanzaro <mcatanzaro src gnome org>]

commit efffb0b171e93848008a7c063dccc2a273b94cef
Author: Yosef Or Boczko <yoseforb gmail com>
Date:   Tue Jan 7 13:52:32 2014 +0200

    Add the "linked" style to the navigation buttons
    
    https://bugzilla.gnome.org/show_bug.cgi?id=721692

 data/gnome-chess.ui |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/data/gnome-chess.ui b/data/gnome-chess.ui
index 83233dc..5e8ba27 100644
--- a/data/gnome-chess.ui
+++ b/data/gnome-chess.ui
@@ -63,6 +63,10 @@
                     <property name="visible">True</property>
                     <property name="can_focus">False</property>
                     <property name="homogeneous">True</property>
+                    <style>
+                      <class name="raised"/>
+                      <class name="linked"/>
+                    </style>
                     <child>
                       <object class="GtkButton" id="first_move_button">
                         <property name="visible">True</property>