Werk #6381: apc_inrow_system_events, liebert_system_events: Fixed handling of empty section

Component Checks & agents
Title apc_inrow_system_events, liebert_system_events: Fixed handling of empty section
Date Jul 25, 2018
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed
Checkmk versions & editions
1.6.0b1 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)
1.5.0b10 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

If no events are reported for these two checks, the agent section is empty and Check_MK marked the related services as 'vanished'. An empty section is valid and these two checks can handle them correctly.

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