cmake HAVE_AIO_H examples

arkdb/inception configure.cmake :232 

CHECK_INCLUDE_FILES (aio.h HAVE_AIO_H)

alibaba/AliSQL configure.cmake :337 

CHECK_INCLUDE_FILES (aio.h HAVE_AIO_H)

Tokutek/mysql-5.5 configure.cmake :181 

CHECK_INCLUDE_FILES (aio.h HAVE_AIO_H)