Fix signature of rb_ensure and rb_rescue to match the implementation in README.EXT
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28705 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Fix signature of rb_ensure and rb_rescue to match the implementation in README.EXT
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28705 b2dd03c8-39d4-4d8f-98ff-823fe69b080e