Fix sample CTP script

--- ./samples/operator.ctp

+++ ./samples/operator.ctp

@@ -35,8 +35,8 @@ BEGIN {

 	STDERR = "/dev/stderr";

 	argi = 1;

-	if (argi >= ARGV)

-		config = "/etc/proxy-user.conf"

+	if (argi >= ARGC)

+		config = "/etc/ftpproxy/proxy-user.conf"

 	else {

 		config = ARGV[argi];

 		ARGV[argi++] = "";