[sound-juicer] ui: Use GtkApplicationWindow rather than GtkWindow

[Christophe Fergeau <teuf src gnome org>]

commit 2a4fc5c7da66ec674ea4a634f56469e21678ccc4
Author: Florian MÃllner <fmuellner gnome org>
Date:   Fri May 4 14:29:09 2012 +0200

    ui: Use GtkApplicationWindow rather than GtkWindow
    
    https://bugzilla.gnome.org/show_bug.cgi?id=675245

 data/sound-juicer.ui |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/data/sound-juicer.ui b/data/sound-juicer.ui
index 4662f5a..d944216 100644
--- a/data/sound-juicer.ui
+++ b/data/sound-juicer.ui
@@ -2,7 +2,7 @@
 <interface>
   <requires lib="gtk+" version="2.16"/>
   <!-- interface-naming-policy project-wide -->
-  <object class="GtkWindow" id="main_window">
+  <object class="GtkApplicationWindow" id="main_window">
     <property name="width_request">500</property>
     <property name="height_request">420</property>
     <property name="title" translatable="yes">Sound Juicer</property>