[gtk+] gsk: Add fundamental type annotations for GskRenderNode

[Emmanuele Bassi <ebassi src gnome org>]

commit d790054c2effca4ee41275842d16a30f3da49c7c
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Mon Jul 4 14:07:24 2016 +0100

    gsk: Add fundamental type annotations for GskRenderNode
    
    We need to annotate the GskRenderNode so that the introspection
    machinery can find the functions for managing reference counting
    and GValues.

 gsk/gskrendernode.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/gsk/gskrendernode.c b/gsk/gskrendernode.c
index 2c334e7..9fe76d6 100644
--- a/gsk/gskrendernode.c
+++ b/gsk/gskrendernode.c
@@ -50,6 +50,14 @@
 
 #include <gobject/gvaluecollector.h>
 
+/**
+ * GskRenderNode: (ref-func gsk_render_node_ref) (unref-func gsk_render_node_unref) (set-value-func 
gsk_value_set_render_node) (get-value-func gsk_value_get_render_node)
+ *
+ * The `GskRenderNode` structure contains only private data.
+ *
+ * Since: 3.22
+ */
+
 static void
 value_render_node_init (GValue *value)
 {