Werk #5997: brocade_sys: Fixed missing data handling which caused IndexError

ComponentChecks & Agents
Titlebrocade_sys: Fixed missing data handling which caused IndexError
Date2018-05-07 10:58:58
Check_MK EditionCheck_MK Raw Edition (CRE)
Check_MK Version1.6.0i1,1.5.0b3
LevelTrivial Change
ClassBug Fix
CompatibilityCompatible - no manual interaction needed