[gedit] Update to latest libpeas-gtk API changes.

[Steve Frécinaux <sfre src gnome org>]

commit ce42a999671a08d21f39640e3b84cb9124212160
Author: Steve Frécinaux <code istique net>
Date:   Mon Oct 4 14:07:33 2010 +0200

    Update to latest libpeas-gtk API changes.

 gedit/dialogs/gedit-preferences-dialog.c |    6 +-----
 1 files changed, 1 insertions(+), 5 deletions(-)
---
diff --git a/gedit/dialogs/gedit-preferences-dialog.c b/gedit/dialogs/gedit-preferences-dialog.c
index 2a918d5..c459fab 100644
--- a/gedit/dialogs/gedit-preferences-dialog.c
+++ b/gedit/dialogs/gedit-preferences-dialog.c
@@ -45,7 +45,6 @@
 #include "gedit-document.h"
 #include "gedit-style-scheme-manager.h"
 #include "gedit-dirs.h"
-#include "gedit-plugins-engine.h"
 #include "gedit-settings.h"
 #include "gedit-utils.h"
 
@@ -904,14 +903,11 @@ setup_font_colors_page (GeditPreferencesDialog *dlg)
 static void
 setup_plugins_page (GeditPreferencesDialog *dlg)
 {
-	GeditPluginsEngine *engine;
 	GtkWidget *page_content;
 
 	gedit_debug (DEBUG_PREFS);
 
-	engine = gedit_plugins_engine_get_default ();
-
-	page_content = peas_gtk_plugin_manager_new (PEAS_ENGINE (engine));
+	page_content = peas_gtk_plugin_manager_new ();
 	g_return_if_fail (page_content != NULL);
 
 	gtk_box_pack_start (GTK_BOX (dlg->priv->plugin_manager_place_holder),