[gthumb] use the right parent class

[Paolo Bacchilega <paobac src gnome org>]

commit 3ab1a60d9b4c108038cbe68b3cd792ca25126101
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Sun Jan 23 09:35:20 2011 +0100

    use the right parent class

 gthumb/gth-progress-dialog.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gthumb/gth-progress-dialog.c b/gthumb/gth-progress-dialog.c
index b2c1f3f..ecb579b 100644
--- a/gthumb/gth-progress-dialog.c
+++ b/gthumb/gth-progress-dialog.c
@@ -274,7 +274,7 @@ gth_progress_dialog_finalize (GObject *base)
 		self->priv->show_event = 0;
 	}
 
-	G_OBJECT_CLASS (gth_task_progress_parent_class)->finalize (base);
+	G_OBJECT_CLASS (gth_progress_dialog_parent_class)->finalize (base);
 }