tool/unicode_norm_gen.rb: fix for 1.8 BASERUBY
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48038 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
tool/unicode_norm_gen.rb: fix for 1.8 BASERUBY
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48038 b2dd03c8-39d4-4d8f-98ff-823fe69b080e