* 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