[core] fall back to getauxval(AT_RANDOM), if avail
[core] fall back to getauxval(AT_RANDOM), if avail

fall back to use getauxval(AT_RANDOM), if available, for srand() init

getauxval(AT_RANDOM) is a glibc extension

lighttpd/lighttpd1.4,lighttpd/lighttpd1.4,lighttpd/lighttpd1.4,lighttpd/lighttpd1.4,gstrauss/lighttpd1.4,gstrauss/lighttpd1.4,lighttpd/lighttpd1.4,gstrauss/lighttpd1.4,gstrauss/lighttpd1.4,gstrauss/lighttpd1.4,lighttpd/lighttpd1.4,gstrauss/lighttpd1.4