[gnome-shell/wip/fmuellner/scale-avatars] Apply suggestion to js/ui/userWidget.js

[Florian Müllner <fmuellner src gnome org>]

commit 262d12e173ac254be78ca41817f378d6fcb55de8
Author: Florian Müllner <florian muellner gmail com>
Date:   Thu Mar 7 20:05:11 2019 +0000

    Apply suggestion to js/ui/userWidget.js

 js/ui/userWidget.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/js/ui/userWidget.js b/js/ui/userWidget.js
index 6bc0a2b32..60675fd08 100644
--- a/js/ui/userWidget.js
+++ b/js/ui/userWidget.js
@@ -48,7 +48,7 @@ var Avatar = class {
             this.actor.child = null;
             this.actor.style = `
                 background-image: url("${iconFile}");
-                width: ${this._iconSize}px;
+                background-size: ${this._iconSize}px;
 
         } else {
             this.actor.style = null;