fix for 32bit platforms
fix for 32bit platforms

trshaffer/cvmfs,DrDaveD/cvmfs,trshaffer/cvmfs,cvmfs/cvmfs,djw8605/cvmfs,cvmfs/cvmfs,Gangbiao/cvmfs,DrDaveD/cvmfs,Gangbiao/cvmfs,bbockelm/cvmfs,alhowaidi/cvmfsNDN,cvmfs-testing/cvmfs,bbockelm/cvmfs,MicBrain/cvmfs,bbockelm/cvmfs,ruvolof/cvmfs,ruvolof/cvmfs,djw8605/cvmfs,btovar/cvmfs,reneme/cvmfs,cvmfs-testing/cvmfs,DrDaveD/cvmfs,reneme/cvmfs,trshaffer/cvmfs,djw8605/cvmfs,cvmfs-testing/cvmfs,Gangbiao/cvmfs,cvmfs/cvmfs,btovar/cvmfs,cvmfs/cvmfs,Moliholy/cvmfs,bbockelm/cvmfs,DrDaveD/cvmfs,alhowaidi/cvmfsNDN,cvmfs/cvmfs,MicBrain/cvmfs,trshaffer/cvmfs,Moliholy/cvmfs,DrDaveD/cvmfs,MicBrain/cvmfs,bbockelm/cvmfs,ruvolof/cvmfs,alhowaidi/cvmfsNDN,MicBrain/cvmfs,cvmfs/cvmfs,btovar/cvmfs,Moliholy/cvmfs,DrDaveD/cvmfs,cvmfs/cvmfs,djw8605/cvmfs,btovar/cvmfs,djw8605/cvmfs,alhowaidi/cvmfsNDN,DrDaveD/cvmfs,cvmfs-testing/cvmfs,reneme/cvmfs,Moliholy/cvmfs,trshaffer/cvmfs,ruvolof/cvmfs,Gangbiao/cvmfs,Gangbiao/cvmfs,btovar/cvmfs,MicBrain/cvmfs,alhowaidi/cvmfsNDN,cvmfs-testing/cvmfs,ruvolof/cvmfs,Moliholy/cvmfs,reneme/cvmfs,reneme/cvmfs