[sr-dev] use_dst_blacklist syntax error

Latest master does not like this line in config: use_dst_blacklist=on Start with option -c gives: 0(19289) CRITICAL: <core> [core/cfg.y:3611]: yyerror_at(): parse error in config file /etc/pres-serv/pres-serv.cfg, line 137, column 18: syntax error 0(19289) CRITICAL: <core> [core/cfg.y:3611]: yyerror_at(): parse error in config file /etc/pres-serv/pres-serv.cfg, line 137, column 18: unknown config variable 0(19289) CRITICAL: <core> [core/cfg.y:3608]: yyerror_at(): parse error in config file /etc/pres-serv/pres-serv.cfg, line 137, column 19-20: ERROR: bad config file (3 errors) According to core cookbook, the var exists. With 5.4 the same config file is accepted. -- Juha