Need to check if user is root on running netcfg prior to trying to read
/etc/ppp/pap-secrets to avoid traceback

1113 katzj@rivendell:~/projects/redhat> netcfg
Red Hat Linux netcfg 2.31
Copyright (C) 1996, 1997, 1998, 1999, 2000 Red Hat, Inc.
Redistributable under the terms of the GNU General Public License
Traceback (innermost last):
  File "/usr/lib/rhs/netcfg/netcfg.py", line 1963, in ?
    win = WindowFrame(Toplevel())
  File "/usr/lib/rhs/netcfg/netcfg.py", line 1931, in __init__
    self.G = GV()
  File "/usr/lib/rhs/netcfg/netcfg.py", line 172, in __init__
    self.PAP = ConfPAP()
  File "/usr/lib/rhs/python/Conf.py", line 1683, in __init__
    Conf.__init__(self, '/etc/ppp/pap-secrets', '#', '\t ', '\t')
  File "/usr/lib/rhs/python/Conf.py", line 180, in __init__
    self.read()
  File "/usr/lib/rhs/python/Conf.py", line 1685, in read
    Conf.read(self)
  File "/usr/lib/rhs/python/Conf.py", line 260, in read
    self.file = open(self.filename, 'r', -1)
IOError: [Errno 13] Permission denied: '/etc/ppp/pap-secrets'