Ruby

proc.c: use already included ancestor iclass

• proc.c (umethod_bind): use the ancestor iclass instead of new
  iclass to get rid of infinite recursion, if the defined module
  is already included. [ruby-core:62014] [Bug #9721]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45585 b2dd03c8-39d4-4d8f-98ff-823fe69b080e