pmnewlog.sh: fix typo in _do_cmd() use and arg quoting
pmnewlog.sh: fix typo in _do_cmd() use and arg quoting

adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp