Checkmk Werk 11748: Fix double slashes in tmpfs fstab entries

ID: 11748 Title: Fix double slashes in tmpfs fstab entries Component: Site Management Level: 1 Class: Bug fix Version: 2.1.0i1 Previous 2.0.0 releases create tmpfs entries in /etc/fstab with double slashes in the path (e.g. "/opt//omd/sites/beta/tmp"). The paths are now correcltly using a single slash as separator.