[libpeas] Use the new interface capabilities in peas-gtk.

[Steve Frécinaux <sfre src gnome org>]

commit c6acccd52b830dff26741366d5e84b0c45df0e7b
Author: Steve Frécinaux <code istique net>
Date:   Tue Aug 31 21:12:18 2010 +0200

    Use the new interface capabilities in peas-gtk.

 libpeas-gtk/peas-gtk-plugin-manager.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libpeas-gtk/peas-gtk-plugin-manager.c b/libpeas-gtk/peas-gtk-plugin-manager.c
index b0d736e..6ee7aca 100644
--- a/libpeas-gtk/peas-gtk-plugin-manager.c
+++ b/libpeas-gtk/peas-gtk-plugin-manager.c
@@ -221,7 +221,7 @@ show_configure_cb (GtkWidget            *widget,
   exten = peas_engine_create_extension (pm->priv->engine, info, PEAS_GTK_TYPE_CONFIGURABLE, NULL);
   g_return_if_fail (PEAS_IS_EXTENSION (exten));
 
-  peas_extension_call (exten, "create_configure_widget", &conf_widget);
+  conf_widget = peas_gtk_configurable_create_configure_widget (PEAS_GTK_CONFIGURABLE (exten));
   g_object_unref (exten);
 
   g_return_if_fail (GTK_IS_WIDGET (conf_widget));