[gom] gom: command: use G_ADD_PRIVATE for type definition

[Bastien Nocera <hadess src gnome org>]

commit d26a07cdc8617d1cc4b802ae0a81140488fca275
Author: Victor Toso <me victortoso com>
Date:   Mon Feb 17 23:48:35 2020 +0100

    gom: command: use G_ADD_PRIVATE for type definition
    
    The G_DEFINE_TYPE_WITH_PRIVATE call was moved as it needs to know the
    storage size of private structure.

 gom/gom-command.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)
---
diff --git a/gom/gom-command.c b/gom/gom-command.c
index abad299..8824420 100644
--- a/gom/gom-command.c
+++ b/gom/gom-command.c
@@ -23,8 +23,6 @@
 #include "gom-command.h"
 #include "gom-error.h"
 
-G_DEFINE_TYPE(GomCommand, gom_command, G_TYPE_OBJECT)
-
 struct _GomCommandPrivate
 {
    GomAdapter   *adapter;
@@ -35,6 +33,8 @@ struct _GomCommandPrivate
    GPtrArray    *blobs;
 };
 
+G_DEFINE_TYPE_WITH_PRIVATE(GomCommand, gom_command, G_TYPE_OBJECT)
+
 enum
 {
    PROP_0,
@@ -545,7 +545,6 @@ gom_command_class_init (GomCommandClass *klass)
    object_class->finalize = gom_command_finalize;
    object_class->get_property = gom_command_get_property;
    object_class->set_property = gom_command_set_property;
-   g_type_class_add_private(object_class, sizeof(GomCommandPrivate));
 
    gParamSpecs[PROP_ADAPTER] =
       g_param_spec_object("adapter",
@@ -575,9 +574,6 @@ gom_command_class_init (GomCommandClass *klass)
 static void
 gom_command_init (GomCommand *command)
 {
-   command->priv =
-      G_TYPE_INSTANCE_GET_PRIVATE(command,
-                                  GOM_TYPE_COMMAND,
-                                  GomCommandPrivate);
+   command->priv = gom_command_get_instance_private(command);
    command->priv->blobs = g_ptr_array_new_with_free_func ((GDestroyNotify) g_bytes_unref);
 }