Werk #237: tsm_sessions: fixed invalid check output during backups

Component Checks & agents
Title tsm_sessions: fixed invalid check output during backups
Date Dec 3, 2013
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed
Checkmk versions & editions
1.2.3i7 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

The check was unable to handle agent data where no client_name was set. This could happen during a backup process.

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