[gegl/wip/rishi/insta: 4/8] GeglNode: Disconnect "invalidated" handler when the sink pad is gone

[Debarshi Ray <debarshir src gnome org>]

commit e5305d9e8308f5c51ee04324c25f15735b6617ac
Author: Debarshi Ray <debarshir gnome org>
Date:   Wed Dec 30 11:33:38 2015 +0100

    GeglNode: Disconnect "invalidated" handler when the sink pad is gone
    
    https://bugzilla.gnome.org/show_bug.cgi?id=759995

 gegl/graph/gegl-node.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)
---
diff --git a/gegl/graph/gegl-node.c b/gegl/graph/gegl-node.c
index 28fc738..92eb0fd 100644
--- a/gegl/graph/gegl-node.c
+++ b/gegl/graph/gegl-node.c
@@ -753,8 +753,11 @@ gegl_node_connect_from (GeglNode    *sink,
       real_sink->priv->source_connections = g_slist_prepend (real_sink->priv->source_connections, 
connection);
       real_source->priv->sink_connections = g_slist_prepend (real_source->priv->sink_connections, 
connection);
 
-      g_signal_connect (G_OBJECT (real_source), "invalidated",
-                        G_CALLBACK (gegl_node_source_invalidated), sink_pad);
+      g_signal_connect_object (G_OBJECT (real_source),
+                               "invalidated",
+                               G_CALLBACK (gegl_node_source_invalidated),
+                               sink_pad,
+                               0);
 
       gegl_node_source_invalidated (real_source, &real_source->have_rect, sink_pad);