message: elle.system.Process: Fix windows compilation.
diff: @@ -110,10 +110,7 @@ namespace elle
  if (!::CreateProcess(executable.c_str(), strdup(command_line.c_str()),
  NULL, NULL, true, 0, NULL, NULL,
  &startup_info, &this->_process_info))
  - {
  - throw elle::Exception(elle::sprintf("unable to start %s: %s",
  - executable, ::GetLastError()));
  - }
  + elle::err("unable to start %s: %s", executable, ::GetLastError());
  }
  void
  