message: Clang-format fix for IO.cpp
diff: @@ -220,8 +220,7 @@ Engine &IO::Open(const std::string &name, const Mode mode, MPI_Comm mpiComm)
  std::shared_ptr<Engine> engine;
  const bool isDefaultWriter =
  - m_EngineType.empty() &&
  - (mode == Mode::Write || mode == Mode::Append)
  + m_EngineType.empty() && (mode == Mode::Write || mode == Mode::Append)
  ? true
  : false;
  @@ -253,8 +252,7 @@ Engine &IO::Open(const std::string &name, const Mode mode, MPI_Comm mpiComm)
  else if (m_EngineType == "DataManWriter")
  {
  #ifdef ADIOS2_HAVE_DATAMAN
  - engine =
  - std::make_shared<DataManWriter>(*this, name, mode, mpiComm);
  + engine = std::make_shared<DataManWriter>(*this, name, mode, mpiComm);
  #else
  throw std::invalid_argument(
  "ERROR: this version didn't compile with "
  @@ -264,8 +262,7 @@ Engine &IO::Open(const std::string &name, const Mode mode, MPI_Comm mpiComm)
  else if (m_EngineType == "DataManReader")
  {
  #ifdef ADIOS2_HAVE_DATAMAN
  - engine =
  - std::make_shared<DataManReader>(*this, name, mode, mpiComm);
  + engine = std::make_shared<DataManReader>(*this, name, mode, mpiComm);
  #else
  throw std::invalid_argument(
  "ERROR: this version didn't compile with "
  