[monitoring-plugins] Merge branch 'pr/1454'

[Holger Weiss]

 Module: monitoring-plugins
 Branch: master
 Commit: 2724eb00de0f685615cdf9f0e492ef3dbe323433
 Author: Holger Weiss <holger at zedat.fu-berlin.de>
   Date: Wed Dec  7 21:10:08 2016 +0100
    URL: https://www.monitoring-plugins.org/repositories/monitoring-plugins/commit/?id=2724eb0

Merge branch 'pr/1454'

* pr/1454:
  NEWS: Mention check_dhcp fix
  properly remove MSG_PEEK in check_dhcp.c. Fixes #1450.

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