mruby/mruby — pull request #370 by masamitsu-murase (2012-07-14 14:19:07+00:00)
Title: Remove unnecessary mrb_const_set in class.c.

Calling mrb_const_set in mrb_define_class_under and mrb_define_module_under is not needed,
because mrb_const_set is called in setup_class.