message: Flush std::cout before launching external process
diff: @@ -14,6 +14,9 @@ namespace vcpkg::System
  int cmd_execute(const wchar_t* cmd_line)
  {
  + // Flush cout before launching external process
  + std::cout << std::flush;
  +
  // Basically we are wrapping it in quotes
  const std::wstring& actual_cmd_line = Strings::wformat(LR"###("%s")###", cmd_line);
  int exit_code = _wsystem(actual_cmd_line.c_str());
  @@ -22,6 +25,9 @@ namespace vcpkg::System
  exit_code_and_output cmd_execute_and_capture_output(const wchar_t* cmd_line)
  {
  + // Flush cout before launching external process
  + std::cout << std::flush;
  +
  const std::wstring& actual_cmd_line = Strings::wformat(LR"###("%s")###", cmd_line);
  std::string output;
  