fix error when compiling client library in VS.net
fix error when compiling client library in VS.net

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