* .travis.yml: tweak build scripts for unicode_normalize.rb.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48199 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2014-10-31

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48200 b2dd03c8-39d4-4d8f-98ff-823fe69b080e