[calls] origin: Add transfer annotation for calls_origin_get_calls ()

[Evangelos Ribeiro Tzaras <devrtz src gnome org>]

commit 9569afa07337c920e6ace0b148b6c47fe416a82d
Author: Evangelos Ribeiro Tzaras <devrtz fortysixandtwo eu>
Date:   Thu Jan 27 12:40:22 2022 +0100

    origin: Add transfer annotation for calls_origin_get_calls ()

 src/calls-origin.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/calls-origin.c b/src/calls-origin.c
index b39f3762..a383492c 100644
--- a/src/calls-origin.c
+++ b/src/calls-origin.c
@@ -107,7 +107,7 @@ DEFINE_ORIGIN_GETTER(name, char *, NULL);
  *
  * Get the list of current calls.
  *
- * Returns: A newly-allocated GList of objects implementing
+ * Returns: (transfer container): A newly-allocated GList of objects implementing
  * #CallsCall or NULL if there was an error.
  */
 DEFINE_ORIGIN_GETTER(calls, GList *, NULL);