[all-commits] [llvm/llvm-project] 909d7b: Fix Windows buildbots

[Rui Ueyama via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 909d7bf9a7c5eb728f4660541ab33089132409fe
      https://github.com/llvm/llvm-project/commit/909d7bf9a7c5eb728f4660541ab33089132409fe
  Author: Rui Ueyama <ruiu at google.com>
  Date:   2019-11-18 (Mon, 18 Nov 2019)

  Changed paths:
    M lld/include/lld/Common/Driver.h

  Log Message:
  -----------
  Fix Windows buildbots

`stdout` and `stderr` might be defined as macros, so we needed to
avoid using them as variable names.