[gthumb] do not emit signals when finilizing the object

[Paolo Bacchilega <paobac src gnome org>]

commit 11d0070862b3802e10969ce06f2294e75fcfb82f
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Sun Nov 6 09:47:54 2011 +0100

    do not emit signals when finilizing the object

 gthumb/gth-histogram-view.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/gthumb/gth-histogram-view.c b/gthumb/gth-histogram-view.c
index f231d2a..a63b62a 100644
--- a/gthumb/gth-histogram-view.c
+++ b/gthumb/gth-histogram-view.c
@@ -137,7 +137,9 @@ gth_histogram_view_finalize (GObject *obj)
 
 	self = GTH_HISTOGRAM_VIEW (obj);
 
-	gth_histogram_view_set_histogram (self, NULL);
+	if (self->priv->histogram_changed_event != 0)
+		g_signal_handler_disconnect (self->priv->histogram, self->priv->histogram_changed_event);
+	_g_object_unref (self->priv->histogram);
 	_g_object_unref (self->priv->builder);
 
 	G_OBJECT_CLASS (gth_histogram_view_parent_class)->finalize (obj);