Add empty unit to systemmonitor load averages (#12900)

Adds an empty unit to load averages reported by the systemmonitor
component in order to correctly identify the state as numeric.

A similar workaroud to this is already used for packet counts in the
same component.

Re #11022
This commit is contained in:
Dan Nixon 2018-03-05 02:41:27 +00:00 committed by Paulus Schoutsen
parent 7c7da9df05
commit 326241d9d8