[gtk/bilelmoussaoui/gdk-return-error-annotation] gdk: annotate Content Serialize/Deserialize return_error

[Bilal Elmoussaoui <bilelmoussaoui src gnome org>]

commit c5eb2f5d16de41388a0c59bf750c9641f75c6a7f
Author: Bilal Elmoussaoui <bil elmoussaoui gmail com>
Date:   Wed May 19 18:10:34 2021 +0000

    gdk: annotate Content Serialize/Deserialize return_error

 gdk/gdkcontentdeserializer.c | 2 +-
 gdk/gdkcontentserializer.c   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gdk/gdkcontentdeserializer.c b/gdk/gdkcontentdeserializer.c
index 18cf043790..ba0908a47e 100644
--- a/gdk/gdkcontentdeserializer.c
+++ b/gdk/gdkcontentdeserializer.c
@@ -364,7 +364,7 @@ gdk_content_deserializer_return_success (GdkContentDeserializer *deserializer)
 /**
  * gdk_content_deserializer_return_error:
  * @deserializer: a `GdkContentDeserializer`
- * @error: a `GError`
+ * @error: (transfer full): a `GError`
  *
  * Indicate that the deserialization has ended with an error.
  *
diff --git a/gdk/gdkcontentserializer.c b/gdk/gdkcontentserializer.c
index 525f32475c..29f9b2d203 100644
--- a/gdk/gdkcontentserializer.c
+++ b/gdk/gdkcontentserializer.c
@@ -368,7 +368,7 @@ gdk_content_serializer_return_success (GdkContentSerializer *serializer)
 /**
  * gdk_content_serializer_return_error:
  * @serializer: a `GdkContentSerializer`
- * @error: a `GError`
+ * @error: (transfer full): a `GError`
  *
  * Indicate that the serialization has ended with an error.
  *