[gnome-control-center] sharing: Don't show Media sharing without rygel

[Bastien Nocera <hadess src gnome org>]

commit 354310cfb40e5d71a63789d672ddc0ef01a34e56
Author: Bastien Nocera <hadess hadess net>
Date:   Tue Jan 15 17:54:00 2013 +0100

    sharing: Don't show Media sharing without rygel
    
    If rygel isn't available, don't show the media sharing section.

 panels/sharing/cc-sharing-panel.c |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/panels/sharing/cc-sharing-panel.c b/panels/sharing/cc-sharing-panel.c
index 5c7bfe5..0b53683 100644
--- a/panels/sharing/cc-sharing-panel.c
+++ b/panels/sharing/cc-sharing-panel.c
@@ -403,6 +403,15 @@ cc_sharing_panel_setup_media_sharing_dialog (CcSharingPanel *self)
   gchar **folders, **list;
   gboolean enabled;
   GtkListStore *store;
+  char *path;
+
+  path = g_find_program_in_path ("rygel");
+  if (path == NULL)
+    {
+      gtk_widget_hide (WID ("media-sharing-button"));
+      return;
+    }
+  g_free (path);
 
   cc_sharing_panel_bind_switch_to_label (WID ("share-media-switch"),
                                          WID ("media-sharing-status-label"));