Check_MK Werk 6988: netstat: Fix crashing check on AIX 7

ID: 6988 Title: netstat: Fix crashing check on AIX 7 Component: Checks & agents Level: 1 Class: Bug fix Version: 1.6.0i1 The netstat command separates the port from the IP address with a dot (.) instead of a colon (:) on some AIX versions, which the check previously could not parse correctly. This has been fixed.