[libsecret/wip/dueno/vapi-fixes] secret-paths: Add (nullable) if allowed.

[Daiki Ueno <dueno src gnome org>]

commit 6658602b6b5e2e729a538f358bf0a87283246cbf
Author: Niels De Graef <nielsdegraef gmail com>
Date:   Fri Mar 1 09:59:34 2019 +0100

    secret-paths: Add (nullable) if allowed.
    
    This caused segfaults in Seahorse when someone canceled the "Change
    Password" dialog for a keyring.
    
    Related to GNOME/seahorse#204

 libsecret/Secret-1.metadata |  8 ++++----
 libsecret/secret-paths.c    | 16 ++++++++--------
 2 files changed, 12 insertions(+), 12 deletions(-)
---
diff --git a/libsecret/Secret-1.metadata b/libsecret/Secret-1.metadata
index 00448e8..bc9e364 100644
--- a/libsecret/Secret-1.metadata
+++ b/libsecret/Secret-1.metadata
@@ -58,11 +58,11 @@ Service
   .create_item_dbus_path_finish skip=false
   .create_item_dbus_path_sync skip=false
   .read_alias_dbus_path skip=false
-  .read_alias_dbus_path_finish skip=false
-  .read_alias_dbus_path_sync skip=false
+  .read_alias_dbus_path_finish skip=false nullable=true
+  .read_alias_dbus_path_sync skip=false nullable=true
   .set_alias_to_dbus_path skip=false
   .set_alias_to_dbus_path_finish skip=false
   .set_alias_to_dbus_path_sync skip=false
-  .prompt_at_dbus_path_sync skip=false
+  .prompt_at_dbus_path_sync skip=false nullable=true
   .prompt_at_dbus_path skip=false
-  .prompt_at_dbus_path_finish skip=false
\ No newline at end of file
+  .prompt_at_dbus_path_finish skip=false nullable=true
diff --git a/libsecret/secret-paths.c b/libsecret/secret-paths.c
index 92c89c3..2eafca2 100644
--- a/libsecret/secret-paths.c
+++ b/libsecret/secret-paths.c
@@ -2268,8 +2268,8 @@ secret_service_read_alias_dbus_path (SecretService *self,
  *
  * Stability: Unstable
  *
- * Returns: (transfer full): the collection dbus object path, or %NULL if
- *          none assigned to the alias
+ * Returns: (transfer full) (nullable): the collection dbus object path,
+ *          or %NULL if none assigned to the alias
  */
 gchar *
 secret_service_read_alias_dbus_path_finish (SecretService *self,
@@ -2311,8 +2311,8 @@ secret_service_read_alias_dbus_path_finish (SecretService *self,
  *
  * Stability: Unstable
  *
- * Returns: (transfer full): the collection dbus object path, or %NULL if
- *          none assigned to the alias
+ * Returns: (transfer full) (nullable): the collection dbus object path,
+ *          or %NULL if none assigned to the alias
  */
 gchar *
 secret_service_read_alias_dbus_path_sync (SecretService *self,
@@ -2491,8 +2491,8 @@ secret_service_set_alias_to_dbus_path_sync (SecretService *self,
  *
  * Stability: Unstable
  *
- * Returns: (transfer full): %NULL if the prompt was dismissed or an error occurred,
- *          a variant result if the prompt was successful
+ * Returns: (transfer full) (nullable): %NULL if the prompt was dismissed or an
+ *          error occurred, a variant result if the prompt was successful
  */
 GVariant *
 secret_service_prompt_at_dbus_path_sync (SecretService *self,
@@ -2569,8 +2569,8 @@ secret_service_prompt_at_dbus_path (SecretService *self,
  *
  * Stability: Unstable
  *
- * Returns: (transfer full): %NULL if the prompt was dismissed or an error occurred,
- *          a variant result if the prompt was successful
+ * Returns: (transfer full) (nullable): %NULL if the prompt was dismissed or an
+ *          error occurred, a variant result if the prompt was successful
  */
 GVariant *
 secret_service_prompt_at_dbus_path_finish (SecretService *self,