[qofid.cpp] remove unnecessary struct

libgnucash/engine/qofid.cpp

@@ -302,40 +302,21 @@ qof_collection_set_data (QofCollection *col, gpointer user_data)
 
 /* =============================================================== */
 
-struct _qofid_iterate
-{
-    QofInstanceForeachCB      fcn;
-    gpointer                data;
-};
-
-static void
-foreach_cb (gpointer item, gpointer arg)
-{
-    struct _qofid_iterate *iter = static_cast<_qofid_iterate*>(arg);
-    QofInstance *ent = static_cast<QofInstance*>(item);
-
-    iter->fcn (ent, iter->data);
-}
-
 void
 qof_collection_foreach_sorted (const QofCollection *col, QofInstanceForeachCB cb_func,
                                gpointer user_data, GCompareFunc sort_fn)
 {
-    struct _qofid_iterate iter;
     GList *entries;
 
     g_return_if_fail (col);
     g_return_if_fail (cb_func);
 
-    iter.fcn = cb_func;
-    iter.data = user_data;
-
     PINFO("Hash Table size of %s before is %d", col->e_type, g_hash_table_size(col->hash_of_entities));
 
     entries = g_hash_table_get_values (col->hash_of_entities);
     if (sort_fn)
         entries = g_list_sort (entries, sort_fn);
-    g_list_foreach (entries, foreach_cb, &iter);
+    g_list_foreach (entries, (GFunc)cb_func, user_data);
     g_list_free (entries);
 
     PINFO("Hash Table size of %s after is %d", col->e_type, g_hash_table_size(col->hash_of_entities));