set closed to true, fixes JAVA-181
set closed to true, fixes JAVA-181

davydotcom/mongo-java-driver,rozza/mongo-java-driver,kevinsawicki/mongo-java-driver,rozza/mongo-java-driver,kay-kim/mongo-java-driver,jyemin/mongo-java-driver,PSCGroup/mongo-java-driver,wanggc/mongo-java-driver,davydotcom/mongo-java-driver,kevinsawicki/mongo-java-driver,gianpaj/mongo-java-driver,kevinsawicki/mongo-java-driver,jsonking/mongo-java-driver,jyemin/mongo-java-driver,jsonking/mongo-java-driver,wanggc/mongo-java-driver