Ruby

• test/net/ftp/test_ftp.rb (process_port_or_eprt): merge a part of
  r56973 to pass the test introduced at previous commit.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@61255 b2dd03c8-39d4-4d8f-98ff-823fe69b080e