[gnome-chess/mcatanzaro/gtk4: 1/3] Stop using deprecated margin properties

[Michael Catanzaro <mcatanzaro src gnome org>]

commit fdaa2a19151bb2f5e7ab7a5eec8bd532ff8f752d
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Thu Dec 17 13:44:13 2020 -0600

    Stop using deprecated margin properties

 data/gnome-chess.ui | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)
---
diff --git a/data/gnome-chess.ui b/data/gnome-chess.ui
index b190efc..dbe8f03 100644
--- a/data/gnome-chess.ui
+++ b/data/gnome-chess.ui
@@ -176,9 +176,7 @@
             <property name="visible">True</property>
             <property name="can-focus">False</property>
             <property name="spacing">6</property>
-            <property name="margin-left">6</property>
-            <property name="margin-right">6</property>
-            <property name="margin-bottom">6</property>
+            <property name="margin">6</property>
             <child>
               <object class="GtkBox">
                 <property name="visible">True</property>