Werk #3630: docsis_channels_upstream: fixed channel discovery

Component	Checks & agents
Title	docsis_channels_upstream: fixed channel discovery
Date	May 31, 2016
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	1.4.0i1 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT 1.2.8p3 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT

To the list of all Werks