[glib] socketclient: annotate the connection param of "event" as nullable

[Paolo Borelli <pborelli src gnome org>]

commit 9e85f60ec68eb0330e18254726facdc5d8983e35
Author: Paolo Borelli <pborelli gnome org>
Date:   Thu Jun 18 09:36:12 2015 +0200

    socketclient: annotate the connection param of "event" as nullable
    
    When emitting the RESOLVING/RESOLVED events the connection param is
    set to NULL.

 gio/gsocketclient.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gio/gsocketclient.c b/gio/gsocketclient.c
index 7b3cf8b..2b339d7 100644
--- a/gio/gsocketclient.c
+++ b/gio/gsocketclient.c
@@ -767,7 +767,7 @@ g_socket_client_class_init (GSocketClientClass *class)
    * @client: the #GSocketClient
    * @event: the event that is occurring
    * @connectable: the #GSocketConnectable that @event is occurring on
-   * @connection: the current representation of the connection
+   * @connection: (nullable): the current representation of the connection
    *
    * Emitted when @client's activity on @connectable changes state.
    * Among other things, this can be used to provide progress