Werk #8326: fixed failure to register agent updater if host name contains a minus

Component	Setup
Title	fixed failure to register agent updater if host name contains a minus
Date	Mar 8, 2016
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	1.4.0i1 Checkmk Enterprise (CEE), Checkmk MSP (CME)

To the list of all Werks