[gthumb] image task: keep a ref of the viewer page

[Paolo Bacchilega <paobac src gnome org>]

commit a9dd2acf091e8860693a4892564648922469fdfc
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Sun Sep 22 09:10:51 2013 +0200

    image task: keep a ref of the viewer page

 extensions/image_viewer/gth-image-viewer-task.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/extensions/image_viewer/gth-image-viewer-task.c b/extensions/image_viewer/gth-image-viewer-task.c
index 1aaa98f..8f80309 100644
--- a/extensions/image_viewer/gth-image-viewer-task.c
+++ b/extensions/image_viewer/gth-image-viewer-task.c
@@ -45,6 +45,7 @@ gth_image_viewer_task_finalize (GObject *object)
 
        self = GTH_IMAGE_VIEWER_TASK (object);
        _g_object_unref (self->priv->original_image_task);
+       _g_object_unref (self->priv->viewer_page);
 
        G_OBJECT_CLASS (gth_image_viewer_task_parent_class)->finalize (object);
 }
@@ -132,6 +133,7 @@ static void
 gth_image_viewer_task_init (GthImageViewerTask *self)
 {
        self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, GTH_TYPE_IMAGE_VIEWER_TASK, 
GthImageViewerTaskPrivate);
+       self->priv->viewer_page = NULL;
        self->priv->original_image_task = NULL;
        self->priv->load_original = TRUE;
        self->priv->loading_image = FALSE;
@@ -159,7 +161,7 @@ gth_image_viewer_task_new (GthImageViewerPage *viewer_page,
                                                    "user-data-destroy-func", user_data_destroy_func,
                                                    "description", description,
                                                    NULL);
-       self->priv->viewer_page = viewer_page;
+       self->priv->viewer_page = g_object_ref (viewer_page);
 
        return (GthTask *) self;
 }