fix VfsPut errors in NFS mode
fix VfsPut errors in NFS mode

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