message: Update gpu.Dockerfile
  added missing /usr/local/cuda/lib64 in LD_LIBRARY_PATH
diff: @@ -58,7 +58,7 @@ RUN [ ${ARCH} = ppc64le ] || (apt-get update && \
  && rm -rf /var/lib/apt/lists/*)
  # For CUDA profiling, TensorFlow requires CUPTI.
  -ENV LD_LIBRARY_PATH /usr/local/cuda/extras/CUPTI/lib64:$LD_LIBRARY_PATH
  +ENV LD_LIBRARY_PATH /usr/local/cuda/extras/CUPTI/lib64:/usr/local/cuda/lib64:$LD_LIBRARY_PATH
  ARG USE_PYTHON_3_NOT_2
  ARG _PY_SUFFIX=${USE_PYTHON_3_NOT_2:+3}
  