[gtk+] infobar: Use GtkButton:icon-name

[Timm Bäder <baedert src gnome org>]

commit 07643764a64f41cc43da63c29141beb7add7ff3c
Author: Timm Bäder <mail baedert org>
Date:   Sun Feb 5 11:45:50 2017 +0100

    infobar: Use GtkButton:icon-name

 gtk/ui/gtkinfobar.ui |    7 +------
 1 files changed, 1 insertions(+), 6 deletions(-)
---
diff --git a/gtk/ui/gtkinfobar.ui b/gtk/ui/gtkinfobar.ui
index d49833e..1644442 100644
--- a/gtk/ui/gtkinfobar.ui
+++ b/gtk/ui/gtkinfobar.ui
@@ -38,15 +38,10 @@
                 <property name="relief">none</property>
                 <property name="margin">6</property>
                 <property name="valign">center</property>
+                <property name="icon-name">window-close-symbolic</property>
                 <style>
                   <class name="close"/>
                 </style>
-                <child>
-                  <object class="GtkImage" id="close_image">
-                    <property name="visible">1</property>
-                    <property name="icon-name">window-close-symbolic</property>
-                  </object>
-                </child>
               </object>
               <packing>
                 <property name="position">2</property>