Werk #14063: ibm_svc_systemstats: Fix crash in discovery

Component	Checks & agents
Title	ibm_svc_systemstats: Fix crash in discovery
Date	Jul 6, 2022
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	2.1.0p6 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT 2.0.0p27 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT 1.6.0p30 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT

ibm_svc_systemstats would crash during discovery for stats with decimal values. Now, we cast those values to floats.

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