message: fix cuda 9.1 compilation
diff: @@ -109,6 +109,12 @@ function(caffe_select_nvcc_arch_flags out_variable)
  set(__nvcc_flags "")
  set(__nvcc_archs_readable "")
  + string(COMPARE GREATER_EQUAL "${CUDA_VERSION}" "9.1" iscudanewerthan91)
  + if(iscudanewerthan91)
  + string(REPLACE "21(20)" "" __cuda_arch_bin "${__cuda_arch_bin}")
  + string(REPLACE "20" "" __cuda_arch_bin "${__cuda_arch_bin}")
  + endif()
  +
  # Tell NVCC to add binaries for the specified GPUs
  foreach(__arch ${__cuda_arch_bin})
  if(__arch MATCHES "([0-9]+)\\(([0-9]+)\\)")
  