Reviewed by Aaron Patterson.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35857 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
#set_ctypes using newer ruby features to simplify its implementation.
refactoring.
Reviewed by Aaron Patterson.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35857 b2dd03c8-39d4-4d8f-98ff-823fe69b080e