rem: ei = build_lump_rpl(error_info[paerrno].s, error_info[paerrno].len, LUMP_RPL_HDR );
add: ei = build_lump_rpl(error_info[paerrno].s, error_info[paerrno].len, 0);
context: int send_reply(struct sip_msg* _m){	int code;	char* msg = MSG_200; /* makes gcc shut up */	struct lump_rpl  *ei;	code = codes[paerrno];	switch(code) {	case 200: msg = MSG_200; break;	case 400: msg = MSG_400; break;	case 500: msg = MSG_500; break;	}		if (code != 200) {		ei = build_lump_rpl(error_info[paerrno].s, error_info[paerrno].len,			LUMP_RPL_HDR );		add_lump_rpl(_m, ei);	}	if (tmb.t_reply(_m, code, msg) == -1) {		LOG(L_ERR, "send_reply(): Error while sending %d %s\n", code, msg);		return -1;	} else return 0;	}