Werk #7448: Fix RRD Metadata update script for Filesystem checks

Component Checks & agents
Title Fix RRD Metadata update script for Filesystem checks
Date Aug 2, 2019
Checkmk Edition Checkmk Raw (CRE)
Checkmk Version 1.6.0b5 2.0.0i1
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed

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