[gnome-builder] flatpak: add helper to get client with reference

[Christian Hergert <chergert src gnome org>]

commit 235b44dd4a707cc8e17d7a88f79c096ce5726c81
Author: Christian Hergert <chergert redhat com>
Date:   Fri Apr 30 19:14:14 2021 -0700

    flatpak: add helper to get client with reference

 src/plugins/flatpak/gbp-flatpak-client.h | 6 ++++++
 1 file changed, 6 insertions(+)
---
diff --git a/src/plugins/flatpak/gbp-flatpak-client.h b/src/plugins/flatpak/gbp-flatpak-client.h
index cd43c544d..f96ba0815 100644
--- a/src/plugins/flatpak/gbp-flatpak-client.h
+++ b/src/plugins/flatpak/gbp-flatpak-client.h
@@ -42,4 +42,10 @@ IpcFlatpakService *gbp_flatpak_client_get_service_finish (GbpFlatpakClient     *
                                                           GAsyncResult         *result,
                                                           GError              **error);
 
+static inline GbpFlatpakClient *
+gbp_flatpak_client_ensure (IdeContext *context)
+{
+  return ide_object_ensure_child_typed (IDE_OBJECT (context), GBP_TYPE_FLATPAK_CLIENT);
+}
+
 G_END_DECLS