chg: [warninglist] Do not check twice if key in cache exists
chg: [warninglist] Do not check twice if key in cache exists

MISP/MISP,MISP/MISP,FIRSTdotorg/MISP,FIRSTdotorg/MISP,MISP/MISP,FIRSTdotorg/MISP,SteveClement/MISP,MISP/MISP,SteveClement/MISP,SteveClement/MISP,FIRSTdotorg/MISP,SteveClement/MISP,SteveClement/MISP,MISP/MISP