[d-feet] Use open-menu-symbolic for gear icon

[Thomas Bechtold <toabctl src gnome org>]

commit 5f38eaeb28e85afb3826be2dd12e43e6eecf3b2d
Author: Thomas Bechtold <tbechtold suse com>
Date:   Sun Jun 21 13:00:53 2015 +0200

    Use open-menu-symbolic for gear icon
    
    Following GnomeGoals/GearIcons, applications that use gear menus should
    change emblem-system-symbolic to open-menu-symbolic.

 data/ui/mainwindow.ui |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/data/ui/mainwindow.ui b/data/ui/mainwindow.ui
index 075d3d2..9e76079 100644
--- a/data/ui/mainwindow.ui
+++ b/data/ui/mainwindow.ui
@@ -48,7 +48,7 @@
           <object class="GtkImage" id="gear_image">
             <property name="visible">True</property>
             <property name="icon_size">1</property>
-            <property name="icon_name">emblem-system-symbolic</property>
+            <property name="icon_name">open-menu-symbolic</property>
           </object>
         </child>
       </object>