added ns_nprint() to ndo-only definitions
updated RPL printer from draft-07 to rfc6550 for DIO message.
Decode the DIO suboptions as well, added new test case
added hexprint of suboptions payload on three -v
move rpl dio print to subfunction to keep it at 80columns
Merge branch 'master' of git+ssh://bpf.tcpdump.org/tcpdump/master/git/tcpdump
correct typo in RPL DIO PRF mask.
updated 19-pickdag, as this pcap file now has correct PRF/MOP value to show this fault.
clear up errors from more -W options: disambiguate length variables
provide proper pcap file for test case
switch rpl_dio_print to use tok2str
Fix build on FreeBSD.

Looks like there was a mistake made in d8acd8f that broke the build
on systems where print-pflog.c is compiled. This fixes the build.
Merge pull request #353 from wxsBSD/pflog_fix

Fix build with print-pflog.c.
Merge remote-tracking branch 'github/master'