merge revision(s) r48690: [Backport #10563]
* 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/branches/ruby_2_1@49997 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) r48690: [Backport #10563]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@49997 b2dd03c8-39d4-4d8f-98ff-823fe69b080e