[monitoring-plugins] Merge pull request #1564 from ...

[GitHub]

    Module: monitoring-plugins
    Branch: master
    Commit: ac6f101f057caa3083c092537e6dff97328cfd44
    Author: Sven Nierlein <s...@nierlein.org>
 Committer: GitHub <nore...@github.com>
      Date: Fri Dec  7 17:35:58 2018 +0100
       URL: 
https://www.monitoring-plugins.org/repositories/monitoring-plugins/commit/?id=ac6f101

Merge pull request #1564 from jacobbaungard/check_cluster_arg_validation

check_cluster.c: Added data argument validation.

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