Werk #10166: Fix cmcdump issue during config activation

Component	Core & setup
Title	Fix cmcdump issue during config activation
Date	Sep 20, 2019
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	2.0.0i1 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.6.0 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

During config activation a KeyError with reference to a shadow host name could be raises.

To the list of all Werks