[gnome-sound-recorder] window: GtkHeaderBar -> HdyHeaderBar

[Bilal Elmoussaoui <bilelmoussaoui src gnome org>]

commit 8324aadcfa9d95084b74291142368c5c773db65b
Author: Kavan Mevada <kavanmevada gmail com>
Date:   Mon May 25 06:01:41 2020 -0700

    window: GtkHeaderBar -> HdyHeaderBar

 data/ui/window.ui | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/data/ui/window.ui b/data/ui/window.ui
index 32439a3..e10dafc 100644
--- a/data/ui/window.ui
+++ b/data/ui/window.ui
@@ -17,7 +17,7 @@
         <property name="can_focus">False</property>
         <property name="orientation">vertical</property>
         <child>
-          <object class="GtkHeaderBar">
+          <object class="HdyHeaderBar">
             <property name="visible">True</property>
             <property name="can_focus">False</property>
             <property name="show_close_button">True</property>