Ruby

vm_args.c: ec arg of args_setup_kw_parameters

• vm_args.c (args_setup_kw_parameters): use same ec as the caller.
  make arguments order consistent with other functions.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60874 b2dd03c8-39d4-4d8f-98ff-823fe69b080e