Checkmk Werk 10114: Skype AV Edge check: fix crash on missing TCP metrics in agent output

ID: 10114 Title: Skype AV Edge check: fix crash on missing TCP metrics in agent output Component: Checks & agents Level: 2 Class: Bug fix Version: 1.7.0i1 This WERK fixes most potential crashes in this particular check as well. Instead of crashing, the check will return no data which will lead to the metric becoming stale over time.