[gnome-chess] Ensure the time labels are the same height as the other controls

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 9c728ab496aad1f1297916147e028d86d3f4347d
Author: Brian Daniels <brianddaniels gmail com>
Date:   Sun Sep 8 12:29:02 2019 -0500

    Ensure the time labels are the same height as the other controls

 data/gnome-chess.ui | 8 ++++++++
 1 file changed, 8 insertions(+)
---
diff --git a/data/gnome-chess.ui b/data/gnome-chess.ui
index 9979d2f..5f39539 100644
--- a/data/gnome-chess.ui
+++ b/data/gnome-chess.ui
@@ -433,4 +433,12 @@
       <widget name="open_game_button"/>
     </widgets>
   </object>
+  <object class="GtkSizeGroup" id="right_nav_box_sizegroup">
+    <property name="mode">vertical</property>
+    <widgets>
+      <widget name="white_time_label"/>
+      <widget name="black_time_label"/>
+      <widget name="history_combo"/>
+    </widgets>
+  </object>
 </interface>