Checkmk Werk 12489: Perfdata delivers whitespace

ID: 12489 Title: Perfdata delivers whitespace Component: Checks & agents Level: 1 Class: Bug fix Version: 2.1.0i1 Some check-plugins delivered whitespace in their performance data for unknown values. This lead to failures in spearating the available metrics and bloating the web.log with exceptions. "Failed to parse perfdata"