src: fix syntax errors

src/etc/inc/openvpn.auth-user.php

@@ -75,13 +75,13 @@ function getNasIP()
 /* setup syslog logging */
 openlog("openvpn", LOG_ODELAY, LOG_AUTH);
 
-if (count($argv) > 3) {
-	$authmodes = explode(",", $5);
-	$username = $1;
-	$password = urldecode($2);
-	$common_name = $3;
-	$modeid = $6;
-	$strictusercn = $4 == "false" ? false : true;
+if (count($argv) > 6) {
+	$authmodes = explode(',', $argv[5]);
+	$username = $argv[1];
+	$password = urldecode($argv[2]);
+	$common_name = $argv[3];
+	$modeid = $argv[6];
+	$strictusercn = $argv[4] == 'false' ? false : true;
 } else {
 	/* read data from environment */
 	$username = getenv("username");
@@ -194,5 +194,3 @@ if (isset($_GET))
 	echo "OK";
 else
 	exit(0);
-
-?>