Changed int to long, since C implementation is uint_64.
Changed int to long, since C implementation is uint_64.

Signed-off-by: John Wilkins <df884263952a0d60ce9ce1c1a393ec4a88e6bb07@inktank.com>

1and1/rados-java,ceph/rados-java,ceph/rados-java,jkaufma/rados-java,kurthuwig/rados-java,K0zka/rados-java,bveliqi/rados-java,1and1/rados-java