[cheese] Fix CheeseFlash when disposed multiple times

[Bastien Nocera <hadess src gnome org>]

commit 0068d8fdfaea7440a86c64a34ec68754d92dcbc4
Author: Bastien Nocera <hadess hadess net>
Date:   Thu Dec 3 16:21:34 2009 +0000

    Fix CheeseFlash when disposed multiple times

 libcheese/cheese-flash.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/libcheese/cheese-flash.c b/libcheese/cheese-flash.c
index 1466948..90c66c8 100644
--- a/libcheese/cheese-flash.c
+++ b/libcheese/cheese-flash.c
@@ -103,7 +103,10 @@ cheese_flash_dispose (GObject *object)
 {
   CheeseFlashPrivate *priv = CHEESE_FLASH_GET_PRIVATE (object);
 
-  g_object_unref (priv->window);
+  if (priv->window != NULL) {
+    gtk_widget_destroy (GTK_WIDGET (priv->window));
+    priv->window = NULL;
+  }
 
   if (G_OBJECT_CLASS (cheese_flash_parent_class)->dispose)
     G_OBJECT_CLASS (cheese_flash_parent_class)->dispose (object);