[clutter/clutter-1.6] pipeline: Plug a leak of GLists

[Damien Lespiau <dlespiau src gnome org>]

commit c72afc27c67df5a9f0d8b0d0c4768b4386fe687b
Author: Damien Lespiau <damien lespiau intel com>
Date:   Wed Jul 6 19:18:22 2011 +0100

    pipeline: Plug a leak of GLists
    
    _cogl_pipeline_get_layers() allocates a list on the pipeline to be able
    to get the pointer valid as long as possible and store that list in the
    pipeline object.
    
    You need to free that list when freeing the pipeline.
    
    Cherry picked from cogl master 711a817

 clutter/cogl/cogl/cogl-pipeline.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/clutter/cogl/cogl/cogl-pipeline.c b/clutter/cogl/cogl/cogl-pipeline.c
index 5f2024a..177a37b 100644
--- a/clutter/cogl/cogl/cogl-pipeline.c
+++ b/clutter/cogl/cogl/cogl-pipeline.c
@@ -577,6 +577,8 @@ _cogl_pipeline_free (CoglPipeline *pipeline)
       g_list_free (pipeline->layer_differences);
     }
 
+  g_list_free (pipeline->deprecated_get_layers_list);
+
   g_slice_free (CoglPipeline, pipeline);
 }