message: fix OPENCV_DISABLE_THREAD_SUPPORT
  Message was,
  CMake Error at CMakeLists.txt:1475 (message):
  Not all parallel frameworks have been disabled (using Concurrency).
diff: @@ -17,7 +17,7 @@ else()
  endif()
  # --- Concurrency ---
  -if(MSVC AND NOT HAVE_TBB)
  +if(MSVC AND NOT HAVE_TBB AND NOT OPENCV_DISABLE_THREAD_SUPPORT)
  set(_fname "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/concurrencytest.cpp")
  file(WRITE "${_fname}" "#if _MSC_VER < 1600\n#error\n#endif\nint main() { return 0; }\n")
  try_compile(HAVE_CONCURRENCY "${CMAKE_BINARY_DIR}" "${_fname}")
  