Werk #7000: liebert.include: Fixed discovery of empty sensor names

Component	Checks & agents
Title	liebert.include: Fixed discovery of empty sensor names
Date	Jan 8, 2019
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	1.6.0b1 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.5.0p11 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

To the list of all Werks