[libpeas] Fix type of TestingLoadablePlugin

[Garrett Regier <gregier src gnome org>]

commit 18d8d037a6ff98f96fd85f3b091bd1e335beff28
Author: Garrett Regier <garrettregier gmail com>
Date:   Sat Dec 20 09:50:52 2014 -0800

    Fix type of TestingLoadablePlugin
    
    It is not a PeasExtensionBase subclass as
    the .h specifies.

 tests/plugins/loadable/loadable-plugin.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/tests/plugins/loadable/loadable-plugin.c b/tests/plugins/loadable/loadable-plugin.c
index f391a07..1f9d8fb 100644
--- a/tests/plugins/loadable/loadable-plugin.c
+++ b/tests/plugins/loadable/loadable-plugin.c
@@ -42,7 +42,7 @@ static void peas_activatable_iface_init (PeasActivatableInterface *iface);
 
 G_DEFINE_DYNAMIC_TYPE_EXTENDED (TestingLoadablePlugin,
                                 testing_loadable_plugin,
-                                PEAS_TYPE_EXTENSION_BASE,
+                                G_TYPE_OBJECT,
                                 0,
                                 G_IMPLEMENT_INTERFACE_DYNAMIC (PEAS_TYPE_ACTIVATABLE,
                                                                peas_activatable_iface_init))