iniparser: fix possible crash in dictionary_get()
iniparser: fix possible crash in dictionary_get()

Openwsman/openwsman,vcrhonek/openwsman,Openwsman/openwsman,vcrhonek/openwsman,vcrhonek/openwsman,vcrhonek/openwsman,kkaempf/openwsman,kolbma/openwsman,kkaempf/openwsman,vcrhonek/openwsman,Openwsman/openwsman,kkaempf/openwsman,vcrhonek/openwsman,kolbma/openwsman,kolbma/openwsman,kolbma/openwsman,Openwsman/openwsman,kolbma/openwsman,kkaempf/openwsman,Openwsman/openwsman,kkaempf/openwsman,vcrhonek/openwsman,Openwsman/openwsman,Openwsman/openwsman,kolbma/openwsman,kolbma/openwsman,kkaempf/openwsman,kkaempf/openwsman