Drop unnecessary fchdir for ftw(3).
Drop unnecessary fchdir for ftw(3).

solderzzc/fakechroot,andrewgregory/fakechroot,solderzzc/fakechroot,andrewgregory/fakechroot,giuliolunati/fakechroot,solderzzc/fakechroot,solderzzc/fakechroot,giuliolunati/fakechroot,andrewgregory/fakechroot,giuliolunati/fakechroot,solderzzc/fakechroot