[gdm: 6/10] gdm-manager: Replace deprecated g_type_class_add_private()

[Ray Strode <halfline src gnome org>]

commit 2c743de13015370d8ba686a817a99fd15919bd74
Author: Robert Mader <robert mader posteo de>
Date:   Thu Mar 14 00:09:30 2019 +0100

    gdm-manager: Replace deprecated g_type_class_add_private()

 daemon/gdm-manager.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
---
diff --git a/daemon/gdm-manager.c b/daemon/gdm-manager.c
index 0c228909..698c9650 100644
--- a/daemon/gdm-manager.c
+++ b/daemon/gdm-manager.c
@@ -136,7 +136,8 @@ G_DEFINE_TYPE_WITH_CODE (GdmManager,
                          gdm_manager,
                          GDM_DBUS_TYPE_MANAGER_SKELETON,
                          G_IMPLEMENT_INTERFACE (GDM_DBUS_TYPE_MANAGER,
-                                                manager_interface_init));
+                                                manager_interface_init)
+                         G_ADD_PRIVATE (GdmManager));
 
 #ifdef WITH_PLYMOUTH
 static gboolean
@@ -2722,8 +2723,6 @@ gdm_manager_class_init (GdmManagerClass *klass)
                                                                NULL,
                                                                FALSE,
                                                                G_PARAM_READWRITE | G_PARAM_CONSTRUCT | 
G_PARAM_STATIC_STRINGS));
-
-        g_type_class_add_private (klass, sizeof (GdmManagerPrivate));
 }
 
 static void