suppress warning: implicit conversion loses integer precision

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44596 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2014-01-15

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44597 b2dd03c8-39d4-4d8f-98ff-823fe69b080e