[gtk/wip/tooltip-api: 19/22] volumebutton: Enable the tooltips

[Matthias Clasen <matthiasc src gnome org>]

commit 7e6be71d384d0353cb3c285f1b97aacb89c571a6
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed May 6 22:56:28 2020 -0400

    volumebutton: Enable the tooltips
    
    Little point in having a query-tooltip handler if
    we don't make sure ::query-tooltip is emitted.

 gtk/ui/gtkvolumebutton.ui | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/gtk/ui/gtkvolumebutton.ui b/gtk/ui/gtkvolumebutton.ui
index cf0db3ff86..3c658df0c5 100644
--- a/gtk/ui/gtkvolumebutton.ui
+++ b/gtk/ui/gtkvolumebutton.ui
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <interface domain="gtk40">
   <template class="GtkVolumeButton" parent="GtkScaleButton">
+    <property name="has-tooltip">1</property>
     <property name="adjustment">
       <object class="GtkAdjustment">
         <property name="upper">1</property>