[gnome-music/wip/jfelder/remove-margin-left-right: 5/13] lastfmdialog: Remove margin property usage

[Jean Felder <jfelder src gnome org>]

commit 2af93eed57c94a6c96938e0c71c0be45f6e93986
Author: Jean Felder <jfelder src gnome org>
Date:   Mon Mar 15 12:22:43 2021 +0100

    lastfmdialog: Remove margin property usage
    
    This property does not exist in Gtk4.
    Use margin-bottom, margin-end, margin-start and margin-top
    properties.

 data/ui/LastfmDialog.ui | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
---
diff --git a/data/ui/LastfmDialog.ui b/data/ui/LastfmDialog.ui
index ac322d2a6..5c691c2fd 100644
--- a/data/ui/LastfmDialog.ui
+++ b/data/ui/LastfmDialog.ui
@@ -11,7 +11,10 @@
     <property name="window_position">center-on-parent</property>
     <child internal-child="vbox">
       <object class="GtkBox">
-        <property name="margin">16</property>
+        <property name="margin-bottom">16</property>
+        <property name="margin-end">16</property>
+        <property name="margin-start">16</property>
+        <property name="margin-top">16</property>
         <property name="orientation">vertical</property>
         <property name="valign">start</property>
         <property name="visible">True</property>