cmake HAVE_MALLOC_SIZE examples

oscarlab/betrfs cmake_modules/TokuFeatureDetection.cmake :70

check_function_exists(malloc_size HAVE_MALLOC_SIZE)

alibaba/AliSQL storage/tokudb/ft-index/cmake_modules/TokuFeatureDetection.cmake :65

check_function_exists(malloc_size HAVE_MALLOC_SIZE)

percona/PerconaFT cmake_modules/TokuFeatureDetection.cmake :66

check_function_exists(malloc_size HAVE_MALLOC_SIZE)