message: CMake CUDA tweak
diff: @@ -113,10 +113,7 @@ if (MFEM_USE_CUDA)
  set(CMAKE_CUDA_HOST_COMPILER ${CMAKE_CXX_COMPILER})
  endif()
  enable_language(CUDA)
  - set(CMAKE_CUDA_STANDARD 11)
  - if (MFEM_USE_GINKGO)
  - set(CMAKE_CUDA_STANDARD 14)
  - endif()
  + set(CMAKE_CUDA_STANDARD ${CMAKE_CXX_STANDARD})
  set(CMAKE_CUDA_STANDARD_REQUIRED ON)
  set(CMAKE_CUDA_EXTENSIONS OFF)
  set(CUDA_FLAGS "--expt-extended-lambda")
  