Werk #5608: temperature.include: Fixed device levels handling

Component	Checks & agents
Title	temperature.include: Fixed device levels handling
Date	Jan 5, 2018
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	1.5.0i3 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT 1.4.0p23 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT 1.2.8p27 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT

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