Fix a security issue in Minz_Error::error()

Mehtod must redirect automatically by default to avoid code execution after
calling the method.

lib/Minz/Error.php

@@ -19,7 +19,7 @@ class Minz_Error {
 	*      > $logs['notice']
 	* @param $redirect indique s'il faut forcer la redirection (les logs ne seront pas transmis)
 	*/
-	public static function error ($code = 404, $logs = array (), $redirect = false) {
+	public static function error ($code = 404, $logs = array (), $redirect = true) {
 		$logs = self::processLogs ($logs);
 		$error_filename = APP_PATH . '/Controllers/errorController.php';