put the umount into the cleanup trap
put the umount into the cleanup trap

DrDaveD/cvmfs,djw8605/cvmfs,Gangbiao/cvmfs,djw8605/cvmfs,djw8605/cvmfs,cvmfs/cvmfs,trshaffer/cvmfs,DrDaveD/cvmfs,Gangbiao/cvmfs,djw8605/cvmfs,trshaffer/cvmfs,cvmfs/cvmfs,Gangbiao/cvmfs,DrDaveD/cvmfs,trshaffer/cvmfs,trshaffer/cvmfs,cvmfs/cvmfs,cvmfs/cvmfs,Gangbiao/cvmfs,DrDaveD/cvmfs,djw8605/cvmfs,cvmfs/cvmfs,Gangbiao/cvmfs,cvmfs/cvmfs,DrDaveD/cvmfs,trshaffer/cvmfs,DrDaveD/cvmfs,cvmfs/cvmfs,DrDaveD/cvmfs