class.c: simplify

* class.c (rb_obj_methods): simplify without jump.

git-svn-id: svn+ssh://svn.ruby-lang.org/ruby/trunk@44700 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2014-01-25

git-svn-id: svn+ssh://svn.ruby-lang.org/ruby/trunk@44701 b2dd03c8-39d4-4d8f-98ff-823fe69b080e