cmake WEBP_HAVE_ examples

FilmKilns/FilmKilns src/skia/third_party/externals/libwebp/cmake/cpu.cmake :67 

unset(WEBP_HAVE_${WEBP_SIMD_FLAG} CACHE)

joedrago/colorist ext/libwebp/cmake/cpu.cmake :67 

unset(WEBP_HAVE_${WEBP_SIMD_FLAG} CACHE)

Ravbug/UnityHubNative wxWidgets/3rdparty/libwebp/cmake/cpu.cmake :87 

unset(WEBP_HAVE_${WEBP_SIMD_FLAG} CACHE)