[gnome-music] PlaylistControls.ui: Make the playlist button a circle

[Marinus Schraal <mschraal src gnome org>]

commit b6dbc1f7829ae9780f67bee717e834c5c9f7bd39
Author: Jean Felder <jean felder gmail com>
Date:   Tue Aug 15 13:33:11 2017 +0200

    PlaylistControls.ui: Make the playlist button a circle
    
    https://bugzilla.gnome.org/show_bug.cgi?id=786315

 data/PlaylistControls.ui |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/data/PlaylistControls.ui b/data/PlaylistControls.ui
index be73e3c..8f064fc 100644
--- a/data/PlaylistControls.ui
+++ b/data/PlaylistControls.ui
@@ -68,6 +68,7 @@
         <property name="use_popover">True</property>
         <style>
           <class name="image-button"/>
+          <class name="circular"/>
         </style>
       </object>
       <packing>