message: fix compile doc for trt
diff: @@ -122,6 +122,7 @@ make -j10
  export CUDA_PATH='/usr/local'
  export CUDNN_LIBRARY='/usr/local/cuda/lib64/'
  export CUDA_CUDART_LIBRARY="/usr/local/cuda/lib64/"
  +export TENSORRT_LIBRARY_PATH="/usr/local/TensorRT-6.0.1.5/targets/x86_64-linux-gnu/"
  mkdir server-build-trt && cd server-build-trt
  cmake -DPYTHON_INCLUDE_DIR=$PYTHONROOT/include/python2.7/ \
  