04:18 matusita 

Fix to work with ruby-1.8.6,1.

I don't know why, but it seems that the method Digest::MD5.new behavior
is changed between 1.8.5 and 1.8.6 (sigh).

As usual, bump PORTREVISION.

See also: http://myn.meganecco.org/2007041200 (in Japanese)
See also: http://svn.ruby-lang.org/repos/ruby/tags/v1_8_6/ChangeLog
          (MD5 related codes are changed at Mar/06/2007?)