[sr-dev] syntax error in switch statement

i'm getting syntax error on last line of this kind of switch statement: if (defined($fd.foo)) { switch ($fd.foo) { case "fi": route(TEST); return($retcode); why is that? in k, that kind of construct used to work. -- juha 0(26885) : <core> [cfg.y:3208]: parse error in config file /etc/sip-proxy/sip-proxy.cfg, line 2971, column 19: syntax error 0(26885) : <core> [cfg.y:3208]: parse error in config file /etc/sip-proxy/sip-proxy.cfg, line 2971, column 19: ==, !=, <,>, >= or <= expected