merge revision(s) r46550: [Backport #9977]
* hash.c (ruby_setenv): fix memory leak on Windows, free environment strings block after check for the size. [ruby-dev:48323] [Bug #9977]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@47053 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) r46550: [Backport #9977]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@47053 b2dd03c8-39d4-4d8f-98ff-823fe69b080e