message: Fix build w/CUDA11
diff: @@ -201,7 +201,12 @@ function(detect_cuDNN)
  set(HAVE_CUDNN TRUE PARENT_SCOPE)
  set(CUDNN_FOUND TRUE PARENT_SCOPE)
  + # CUDA 11 factored cudnn.h into separate headers
  + if(EXISTS "${CUDNN_INCLUDE}/cudnn_version.h")
  + file(READ ${CUDNN_INCLUDE}/cudnn_version.h CUDNN_VERSION_FILE_CONTENTS)
  + else()
  file(READ ${CUDNN_INCLUDE}/cudnn.h CUDNN_VERSION_FILE_CONTENTS)
  + endif()
  # cuDNN v3 and beyond
  string(REGEX MATCH "define CUDNN_MAJOR * +([0-9]+)"
  