Ruby

proc.c: skip prepended modules

• proc.c (method_super_method): skip prepended modules and
  continue from the super class of the original class.
  [ruby-core:81666] [Bug #13656]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59080 b2dd03c8-39d4-4d8f-98ff-823fe69b080e