traceroute: Update to version 2.1.6

traceroute: Update to version 2.1.6

- Update from version 2.1.5 to 2.1.6
- Update of rootfile not required
- Updated version number in name of patch
- Changelog
    2.1.6
	   Let getaddrinfo(3) select the default IPv4 or IPv6 protocol version
	    when it is not explicitly specified on the command line
	    (Jan Macku, SF bug #16)
	   No more mandatory default to IPv4, follow rfc3484 and
	    the similar ping(1) behaviour. Drop DEF_AF macro.

Signed-off-by: Adolf Belka <adolf.belka@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>