[SECURITY] Fedora 26 Update: check-mk-1.2.8p26-1.fc26

check-mk is a general purpose Nagios-plugin for retrieving data. It adopts a new approach for collecting data from operating systems and network compone nts. It obsoletes NRPE, check_by_ssh, NSClient, and check_snmp and it has many benefits, the most important are a significant reduction of CPU usage on the Nagios host and an automatic inventory of items to be checked on hosts.