configure.in: fix typo

* configure.in (DLDFLAGS): fix typo, missing comma.
  [ruby-core:61429] [Bug #9624]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45340 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
vm_method.c: cast via VALUE

* vm_method.c (rb_add_method, rb_attr): cast between pointer and
  ID via VALUE.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45341 b2dd03c8-39d4-4d8f-98ff-823fe69b080e