[dconf-editor] Make ModificationsRevealer Dismiss button flat.

[Arnaud Bonatti <arnaudb src gnome org>]

commit 1818ce3e1b9dd5205ab98aa369cf3db596467402
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Sat Jul 2 17:24:07 2016 +0200

    Make ModificationsRevealer Dismiss button flat.

 editor/modifications-revealer.ui |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/editor/modifications-revealer.ui b/editor/modifications-revealer.ui
index d4cfef4..291f5b1 100644
--- a/editor/modifications-revealer.ui
+++ b/editor/modifications-revealer.ui
@@ -19,6 +19,7 @@
             <property name="visible">True</property>
             <signal name="clicked" handler="dismiss_delayed_settings"/>
             <style>
+              <class name="flat"/>
               <class name="image-button"/>
             </style>
             <child>