[monitoring-plugins] Merge pull request #1591 from ...

[GitHub]

    Module: monitoring-plugins
    Branch: master
    Commit: 4131f2f268e7d771490ebeadbae50b4f95d69695
    Author: Sven Nierlein <sven at nierlein.org>
 Committer: GitHub <noreply at github.com>
      Date: Tue Apr  9 10:12:10 2019 +0200
       URL: https://www.monitoring-plugins.org/repositories/monitoring-plugins/commit/?id=4131f2f

Merge pull request #1591 from odenbach/check_disk_help

include -P switch in help

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