(objc_send_load, __objc_send_load): New functions.
(__objc_send_message_in_list): New function.
(__objc_force_linking): New function.
(__objc_exec_class): Don't call _objc_load_callback here.
(__objc_exec_class): Access statics from their new place in the defs variable.

From-SVN: r13709