Attempt at fixing the windows build.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183865 91177308-0d34-0410-b5e6-96231b3b80d8
s/Void/void.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183866 91177308-0d34-0410-b5e6-96231b3b80d8
[Win] Put ChangeStdinToBinary ChangeStdoutToBinary ChangeStderrToBinary in sys.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183868 91177308-0d34-0410-b5e6-96231b3b80d8