[gnome-control-center] Remove erroneous quotes in xml content

[Matthias Clasen <matthiasc src gnome org>]

commit a66d9a5a3533b86f5d444c4c6c231cc01b11a9aa
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Jan 20 20:16:54 2011 -0500

    Remove erroneous quotes in xml content
    
    This was causing the app chooser dialog to be shown for an unknown
    mime type of '"x-content/audio-player"'.

 panels/media/gnome-media-properties.ui |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/panels/media/gnome-media-properties.ui b/panels/media/gnome-media-properties.ui
index cbe5ad0..2969a6a 100644
--- a/panels/media/gnome-media-properties.ui
+++ b/panels/media/gnome-media-properties.ui
@@ -136,7 +136,7 @@
                                         <child>
                                           <object class="GtkAppChooserButton" id="media_music_player_combobox">
                                             <property name="visible">True</property>
-                                            <property name="content-type">"x-content/audio-player"</property>
+                                            <property name="content-type">x-content/audio-player</property>
                                           </object>
                                           <packing>
                                             <property name="left_attach">1</property>