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

[Bastien Nocera <hadess src gnome org>]

commit 370ba2dd6c47b9ec3fd0c3da168fad9b4bddb829
Author: Victor Toso <me victortoso com>
Date:   Mon Feb 17 23:44:26 2020 +0100

    gom: cursor: 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-cursor.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)
---
diff --git a/gom/gom-cursor.c b/gom/gom-cursor.c
index 6ffdc28..963c201 100644
--- a/gom/gom-cursor.c
+++ b/gom/gom-cursor.c
@@ -21,14 +21,14 @@
 
 #include "gom-cursor.h"
 
-G_DEFINE_TYPE(GomCursor, gom_cursor, G_TYPE_OBJECT)
-
 struct _GomCursorPrivate
 {
    sqlite3_stmt *stmt;
    guint n_columns;
 };
 
+G_DEFINE_TYPE_WITH_PRIVATE(GomCursor, gom_cursor, G_TYPE_OBJECT)
+
 enum
 {
    PROP_0,
@@ -292,7 +292,6 @@ gom_cursor_class_init (GomCursorClass *klass)
    object_class->finalize = gom_cursor_finalize;
    object_class->get_property = gom_cursor_get_property;
    object_class->set_property = gom_cursor_set_property;
-   g_type_class_add_private(object_class, sizeof(GomCursorPrivate));
 
    gParamSpecs[PROP_STATEMENT] =
       g_param_spec_pointer("statement",
@@ -312,8 +311,5 @@ gom_cursor_class_init (GomCursorClass *klass)
 static void
 gom_cursor_init (GomCursor *cursor)
 {
-   cursor->priv =
-      G_TYPE_INSTANCE_GET_PRIVATE(cursor,
-                                  GOM_TYPE_CURSOR,
-                                  GomCursorPrivate);
+   cursor->priv = gom_cursor_get_instance_private(cursor);
 }