Werk #2148: win_os: Fixed inventory of OS with older powershell versions

Component	HW/SW inventory
Title	win_os: Fixed inventory of OS with older powershell versions
Date	Mar 18, 2015
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	1.2.7i1 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

To the list of all Werks