Check_MK Werk 8264: Fixed exception when configuring special paths for the unix agents

ID: 8264 Title: Fixed exception when configuring special paths for the unix agents Component: agents Level: 1 Class: Bug fix Version: 1.2.7i3 Fixed exception when configuring e.g. these paths for the linux/unix agents: /usr/local/check_mk/bin /usr/local/check_mk/etc /usr/local/check_mk /usr/local/check_mk/var