[monitoring-plugins] Merge pull request #1257 from gcoxmoz/master

[Sven Nierlein]

 Module: monitoring-plugins
 Branch: master
 Commit: 0be10c669ec6d0b5338a274e59f1f964ec702edc
 Author: Sven Nierlein <sven at nierlein.org>
   Date: Fri Oct  2 19:54:31 2015 +0200
    URL: https://www.monitoring-plugins.org/repositories/monitoring-plugins/commit/?id=0be10c6

Merge pull request #1257 from gcoxmoz/master

check_tcp: Fixing to return desired exit code

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