cmake BSON_HAVE_ALIGNED_ALLOC examples

mongodb/mongo-c-driver src/libbson/CMakeLists.txt :102 

check_symbol_exists (aligned_alloc stdlib.h BSON_HAVE_ALIGNED_ALLOC)

cvet/fonline ThirdParty/mongo-c-driver/src/libbson/CMakeLists.txt :106 

check_symbol_exists (aligned_alloc stdlib.h BSON_HAVE_ALIGNED_ALLOC)