[cogl/cogl-1.12] primitive: Don't leak indices

[Robert Bragg <rbragg src gnome org>]

commit 971b5cfae14ce584b12f9c9c8360fe60dcff7dbc
Author: Robert Bragg <robert linux intel com>
Date:   Tue Aug 7 15:25:21 2012 +0100

    primitive: Don't leak indices
    
    If a CoglPrimitive is associated with a set of indices then we must
    unref those indices when freeing the primitive to avoid a leak.
    
    Reviewed-by: Neil Roberts <neil linux intel com>
    
    (cherry picked from commit 45cac786b55c953e44f98b864add952b9e398b13)

 cogl/cogl-primitive.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/cogl/cogl-primitive.c b/cogl/cogl-primitive.c
index db80ca2..6f3a40e 100644
--- a/cogl/cogl-primitive.c
+++ b/cogl/cogl-primitive.c
@@ -380,6 +380,9 @@ _cogl_primitive_free (CoglPrimitive *primitive)
     g_slice_free1 (sizeof (CoglAttribute *) * primitive->n_attributes,
                    primitive->attributes);
 
+  if (primitive->indices)
+    cogl_object_unref (primitive->indices);
+
   g_slice_free1 (sizeof (CoglPrimitive) +
                  sizeof (CoglAttribute *) *
                  (primitive->n_embedded_attributes - 1), primitive);