[gnome-online-accounts] mail-auth: Use G_DEFINE_ABSTRACT_TYPE_WITH_PRIVATE

[Debarshi Ray <debarshir src gnome org>]

commit ad5beae35d7d1a8371006429f747d20099e200fa
Author: Debarshi Ray <debarshir gnome org>
Date:   Wed Nov 22 17:34:46 2017 +0100

    mail-auth: Use G_DEFINE_ABSTRACT_TYPE_WITH_PRIVATE
    
    This paves the way for improving our GObject use and reducing the
    amount of boilerplate.

 src/goabackend/goamailauth.c |    6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)
---
diff --git a/src/goabackend/goamailauth.c b/src/goabackend/goamailauth.c
index d8d9fcd..d657cdb 100644
--- a/src/goabackend/goamailauth.c
+++ b/src/goabackend/goamailauth.c
@@ -35,7 +35,7 @@ enum
   PROP_OUTPUT
 };
 
-G_DEFINE_ABSTRACT_TYPE (GoaMailAuth, goa_mail_auth, G_TYPE_OBJECT);
+G_DEFINE_ABSTRACT_TYPE_WITH_PRIVATE (GoaMailAuth, goa_mail_auth, G_TYPE_OBJECT);
 
 /* ---------------------------------------------------------------------------------------------------- */
 
@@ -140,7 +140,7 @@ goa_mail_auth_set_property (GObject      *object,
 static void
 goa_mail_auth_init (GoaMailAuth *self)
 {
-  self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, GOA_TYPE_MAIL_AUTH, GoaMailAuthPrivate);
+  self->priv = goa_mail_auth_get_instance_private (self);
 }
 
 static void
@@ -169,8 +169,6 @@ goa_mail_auth_class_init (GoaMailAuthClass *klass)
                                                         G_TYPE_DATA_OUTPUT_STREAM,
                                                         G_PARAM_READWRITE |
                                                         G_PARAM_STATIC_STRINGS));
-
-  g_type_class_add_private (klass, sizeof (GoaMailAuthPrivate));
 }
 
 /* ---------------------------------------------------------------------------------------------------- */