Merge "Set default output generated directory to cwd"

namespace {

constexpr char kDefaultBundleDataFile[] = "bundle_bfbs.bin";

constexpr char kDefaultGeneratedOutputPath[] = ".";

constexpr char kDefaultNamespace[] = "";

constexpr char kDefaultNamespaceDelim[] = "::";

}  // namespace

  bool read{false};

  bool write{false};

  const char* filename{kDefaultBundleDataFile};

  const char* gen{nullptr};

  const char* gen{kDefaultGeneratedOutputPath};

  const char* main_root{nullptr};

  const char* ns_name{kDefaultNamespace};

  struct {