[gnome-calendar/calendar-editor] window: fix more styling issues

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 75d391265ef5d4b1b2ed93085985ae191e799a4f
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Mon May 11 10:12:59 2015 -0300

    window: fix more styling issues

 data/ui/window.ui |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/data/ui/window.ui b/data/ui/window.ui
index f7aede7..4d78847 100644
--- a/data/ui/window.ui
+++ b/data/ui/window.ui
@@ -147,14 +147,14 @@
                         <property name="receives_default">True</property>
                         <property name="no_show_all">True</property>
                         <signal name="clicked" handler="undo_remove_action" object="GcalWindow" 
swapped="no"/>
+                        <style>
+                          <class name="text-button"/>
+                        </style>
                       </object>
                       <packing>
                         <property name="left_attach">1</property>
                         <property name="top_attach">0</property>
                       </packing>
-                      <style>
-                        <class name="text-button"/>
-                      </style>
                     </child>
                     <child>
                       <object class="GtkButton" id="notification_close_button">