[gtk+] gsk: Fix memory leak in gsk_render_node_write_to_file()

[Garrett Regier <gregier src gnome org>]

commit 23d10df6c61e11b773a5f3dce6e2ea8abc679760
Author: Garrett Regier <garrettregier gmail com>
Date:   Fri Dec 23 04:08:43 2016 -0800

    gsk: Fix memory leak in gsk_render_node_write_to_file()

 gsk/gskrendernode.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gsk/gskrendernode.c b/gsk/gskrendernode.c
index f6e5a76..ab14c15 100644
--- a/gsk/gskrendernode.c
+++ b/gsk/gskrendernode.c
@@ -367,6 +367,7 @@ gsk_render_node_write_to_file (GskRenderNode *node,
                                 g_bytes_get_data (bytes, NULL),
                                 g_bytes_get_size (bytes),
                                 error);
+  g_bytes_unref (bytes);
 
   return result;
 }