sepolicy: Fix sorting of port_strings in python 3

Fixes:
$ sepolicy network -d httpd_t

httpd_t: tcp name_connect
Traceback (most recent call last):
  File /usr/bin/sepolicy, line 699, in <module>
    args.func(args)
  File /usr/bin/sepolicy, line 319, in network
    _print_net(d, tcp, name_connect)
  File /usr/bin/sepolicy, line 276, in _print_net
    port_strings.sort(numcmp)
TypeError: must use keyword argument for key function

Signed-off-by: Petr Lautrbach <plautrba@redhat.com>
1 file changed