message: Fix permissions when creating files on linux
diff: @@ -149,7 +149,7 @@ std::string NormalizePath(const std::string& path) {
  bool TryMakeDirectory(const std::string& absolute_path) {
  std::cerr << "!! TryMakeDirectory " << absolute_path << std::endl;
  - const mode_t kMode = 0660; // UNIX style permissions, user and group read/write; other cannot access
  + const mode_t kMode = 0777; // UNIX style permissions
  if (mkdir(absolute_path.c_str(), kMode) == -1) {
  // Success if the directory exists.
  return errno == EEXIST;
  