[libpeas] Do not leak the window.

[Ignacio Casal Quinteiro <icq src gnome org>]

commit 5a868acb58e4ca7a746326fe9a8b0977c773dcb7
Author: Ignacio Casal Quinteiro <icq gnome org>
Date:   Wed Jul 28 15:55:55 2010 +0200

    Do not leak the window.

 .../helloworld/peasdemo-hello-world-plugin.c       |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/peas-demo/plugins/helloworld/peasdemo-hello-world-plugin.c b/peas-demo/plugins/helloworld/peasdemo-hello-world-plugin.c
index ca1e20d..7500a25 100644
--- a/peas-demo/plugins/helloworld/peasdemo-hello-world-plugin.c
+++ b/peas-demo/plugins/helloworld/peasdemo-hello-world-plugin.c
@@ -78,6 +78,7 @@ peasdemo_hello_world_plugin_finalize (GObject *object)
   g_debug (G_STRFUNC);
 
   g_object_unref (plugin->label);
+  g_object_unref (plugin->window);
 
   G_OBJECT_CLASS (peasdemo_hello_world_plugin_parent_class)->finalize (object);
 }