[monitoring-plugin-perl] Merge pull request #11 from pdugas/master

[Sven Nierlein]

 Module: monitoring-plugin-perl
 Branch: master
 Commit: 6cf95fedc65b3a7128ae550ba24b45c8a602766a
 Author: Sven Nierlein <sven at nierlein.org>
   Date: Sat Apr  2 17:45:03 2016 +0200
    URL: https://www.monitoring-plugins.org/repositories/monitoring-plugin-perl/commit/?id=6cf95fe

Merge pull request #11 from pdugas/master

Fixed regex in plugin_exit() that handles hyphen for LONGOUTPUT.

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