fix usleep error on linux systems
fix usleep error on linux systems

error: 'usleep' was not declared in this scope

joeferner/node-java,RedSeal-co/node-java,zuazo-forks/node-java,lantanagroup/node-java,lantanagroup/node-java,joeferner/node-java,lantanagroup/node-java,joeferner/node-java,joeferner/node-java,zuazo-forks/node-java,sebgod/node-java,sebgod/node-java,lantanagroup/node-java,joeferner/node-java,sebgod/node-java,RedSeal-co/node-java,joeferner/node-java,RedSeal-co/node-java,sebgod/node-java,zuazo-forks/node-java,lantanagroup/node-java,lantanagroup/node-java,sebgod/node-java,RedSeal-co/node-java,zuazo-forks/node-java,RedSeal-co/node-java,zuazo-forks/node-java,RedSeal-co/node-java,sebgod/node-java