message: adds include guard in benchmark/utils/timer.hpp
diff: @@ -30,6 +30,10 @@ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  ******************************<GINKGO LICENSE>*******************************/
  +#ifndef GKO_BENCHMARK_UTILS_TIMER_HPP_
  +#define GKO_BENCHMARK_UTILS_TIMER_HPP_
  +
  +
  #include <ginkgo/ginkgo.hpp>
  @@ -385,3 +389,5 @@ std::shared_ptr<Timer> get_timer(std::shared_ptr<const gko::Executor> exec,
  // No cuda/hip executor available or no gpu_timer used
  return std::make_shared<CpuTimer>(exec);
  }
  +
  +#endif // GKO_BENCHMARK_UTILS_TIMER_HPP_
  