Ruby

• win32/win32.c (w32_spawn): v2 is used not only for shell but also
  cmd, so must not free before using cmd.
  [ruby-core:66648] [Bug #10563]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48690 b2dd03c8-39d4-4d8f-98ff-823fe69b080e