Werk #3416: Avoid warning in cmc.log when rescheduling non-existing discovery check

Component	Core & setup
Title	Avoid warning in cmc.log when rescheduling non-existing discovery check
Date	Apr 19, 2016
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	1.4.0i1 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.4.0i1 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.4.0i1 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.4.0i1 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.4.0i1 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.4.0i1 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.4.0i1 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.4.0i1 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.2.8b12 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

This avoids the folloing message: var/log/cmc.log

2016-04-19 13:49:24 [4] Ignoring command SCHEDULE_FORCED_SVC_CHECK;10.1.1.199;Check_MK Discovery;1461066564: invalid parameters

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