[tailer] can't use realpath with some libcs
[tailer] can't use realpath with some libcs

tstack/lnav,sureshsundriyal/lnav,sureshsundriyal/lnav,tstack/lnav,tstack/lnav,tstack/lnav,sureshsundriyal/lnav,sureshsundriyal/lnav