[grilo] Fix annotation

[Mathieu Bridon <mbridon src gnome org>]

commit 75448d86a70cf5ffbe7be5b3a930749dbffb15b0
Author: Mathieu Bridon <bochecha daitauha fr>
Date:   Sat Aug 13 00:31:28 2016 +0200

    Fix annotation
    
    Bindings are broken without this.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=769830

 libs/net/grl-net-wc.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/libs/net/grl-net-wc.c b/libs/net/grl-net-wc.c
index 96b5d1d..ed3f0ba 100644
--- a/libs/net/grl-net-wc.c
+++ b/libs/net/grl-net-wc.c
@@ -945,7 +945,8 @@ grl_net_wc_request_with_headers_hash_async (GrlNetWc *self,
  * grl_net_wc_request_finish:
  * @self: a #GrlNetWc instance
  * @result: The result of the request
- * @content: (out) (allow-none) (transfer none): The contents of the resource
+ * @content: (out) (array length=length) (element-type guint8) (allow-none)
+ * (transfer full): The contents of the resource
  * @length: (out) (allow-none): The length of the contents or %NULL if it is not
  * needed
  * @error: return location for a #GError, or %NULL