Milter-greylist

Hi,

>>>>> On Wed, 23 Dec 2015 21:19:59 +0900
>>>>> "Kazuyuki YOSHIDA yoshida@... [milter-greylist]" <milter-greylist@yahoogroups.com> said:

yoshida> In ip6tostringfordns, IPv6 address is changed per Byte (2 Hexadecimal 
yoshida> digits),
yoshida> like one byte of IPv6 Address like 0x12 should change String "2.1".
yoshida> So large transformation table is used.

It seems somewhat redundant to me.  How about the attached patch?
Sorry but I don't test it, actually.

Sincerely,