fix quota on freebsd, thanks to skotti's patch. fixes #1377

Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>

lib/functions/system/function.isFreeBSD.php

@@ -0,0 +1,33 @@
+<?php
+
+/**
+ * This file is part of the Froxlor project.
+ * Copyright (c) 2014 the Froxlor Team (see authors).
+ *
+ * For the full copyright and license information, please view the COPYING
+ * file that was distributed with this source code. You can also view the
+ * COPYING file online at http://files.froxlor.org/misc/COPYING.txt
+ *
+ * @copyright  (c) the authors
+ * @author     Froxlor team <team@froxlor.org> (2014-)
+ * @license    GPLv2 http://files.froxlor.org/misc/COPYING.txt
+ * @package    Functions
+ *
+ */
+
+/**
+ * check if the system is FreeBSD (if exact)
+ * or BSD-based (NetBSD, OpenBSD, etc. if exact = false [default])
+ *
+ * @param boolean $exact whether to check explicitly for FreeBSD or *BSD
+ *
+ * @return boolean
+ */
+function isFreeBSD($exact = false) {
+	if (($exact && PHP_OS == 'FreeBSD')
+			|| (!$exact && stristr(PHP_OS, 'BSD'))
+	) {
+		return true;
+	}
+	return false;
+}