Werk #3766: palo_alto_sessions: Fixed possible division by zero error

Component	Checks & agents
Title	palo_alto_sessions: Fixed possible division by zero error
Date	Aug 25, 2016
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	1.4.0i1 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT 1.2.8p10 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT

To the list of all Werks