cmake HAVE_NRAND48 examples

oscarlab/betrfs cmake_modules/TokuFeatureDetection.cmake :76 

check_function_exists(nrand48 HAVE_NRAND48)

alibaba/AliSQL storage/tokudb/ft-index/cmake_modules/TokuFeatureDetection.cmake :71 

check_function_exists(nrand48 HAVE_NRAND48)

percona/PerconaFT cmake_modules/TokuFeatureDetection.cmake :72 

check_function_exists(nrand48 HAVE_NRAND48)