have ShowNewGRFDownload make a copy of the GRFConfig list containg only the relevant GRFConfigs
/* $Id$ */
/** @file callback_table.h Table with all command callbacks. */
#ifndef CALLBACK_TABLE_H
#define CALLBACK_TABLE_H
#include "command_type.h"
extern CommandCallback *_callback_table[];
extern const int _callback_table_count;
#endif /* CALLBACK_TABLE_H */