* lib/uri/ftp.rb, lib/uri/generic.rb, test/uri/test_common.rb,
         test/uri/test_ftp.rb, test/uri/test_generic.rb: backported from 1.9.
         [ruby-dev:31318]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_7@16085 b2dd03c8-39d4-4d8f-98ff-823fe69b080e