* test/drb/drbtest.rb (Drb{Core,Ary}#teardown): retry Process.kill
  if it fails with Errno::EPERM on Windows (workaround).
  [ruby-dev:47245] [Bug #8251]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40232 b2dd03c8-39d4-4d8f-98ff-823fe69b080e