winssh communicator: fix public key insertion
winssh communicator: fix public key insertion

marxarelli/vagrant,marxarelli/vagrant,bryson/vagrant,marxarelli/vagrant,bryson/vagrant,crashlytics/vagrant,benh57/vagrant,gitebra/vagrant,mitchellh/vagrant,chrisroberts/vagrant,bshurts/vagrant,sni/vagrant,crashlytics/vagrant,sni/vagrant,PatrickLang/vagrant,bshurts/vagrant,bryson/vagrant,benh57/vagrant,marxarelli/vagrant,PatrickLang/vagrant,benh57/vagrant,PatrickLang/vagrant,crashlytics/vagrant,taliesins/vagrant,bryson/vagrant,mitchellh/vagrant,bshurts/vagrant,taliesins/vagrant,gitebra/vagrant,mitchellh/vagrant,gitebra/vagrant,chrisroberts/vagrant,taliesins/vagrant,PatrickLang/vagrant,sni/vagrant,bshurts/vagrant,mitchellh/vagrant,benh57/vagrant,chrisroberts/vagrant,crashlytics/vagrant,sni/vagrant,chrisroberts/vagrant,gitebra/vagrant,taliesins/vagrant