[gnome-tetravex] Avoid some redraws.

[Arnaud B. <arnaudb src gnome org>]

commit 9f74388f177f3df30ea1ad625bb168d7bd1bb3cd
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Wed Oct 9 05:07:35 2019 +0200

    Avoid some redraws.
    
    If grid columns are not set as
    homogeneous, a change of clock
    width triggers redrawing view.

 src/gnome-tetravex.ui | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/gnome-tetravex.ui b/src/gnome-tetravex.ui
index 4670533..b74cf5b 100644
--- a/src/gnome-tetravex.ui
+++ b/src/gnome-tetravex.ui
@@ -12,6 +12,7 @@
         <property name="visible">True</property>
         <property name="can_focus">False</property>
         <property name="margin-bottom">25</property>
+        <property name="column-homogeneous">True</property> <!-- else the clock regularly triggers a view 
redraw... -->
       </object>
     </child>
   </object>