cmake HAVE_D3D11 examples

SsageParuders/Android_Native_Surface my_android_opencv/modules/videoio/cmake/detect_msmf.cmake :11 

check_include_file(d3d11.h HAVE_D3D11)

flyinghead/flycast CMakeLists.txt :1546 

target_compile_definitions(${PROJECT_NAME} PRIVATE HAVE_D3D11)

joachimBurket/esp32-opencv modules/videoio/cmake/detect_msmf.cmake :11 

check_include_file(d3d11.h HAVE_D3D11)