Check for getrandom declaration

Author: lealem47

configure.ac

@@ -150,7 +150,7 @@ AC_CHECK_HEADER(assert.h, [AM_CPPFLAGS="$AM_CPPFLAGS -DWOLFSSL_HAVE_ASSERT_H"],[
 # they're declared by the expected headers, and if not, supersede the
 # unusable positive from AC_CHECK_FUNCS().
 AC_CHECK_FUNCS([gethostbyname getaddrinfo gettimeofday gmtime_r gmtime_s inet_ntoa memset socket strftime atexit isascii getpid getrandom])
-AC_CHECK_DECLS([gethostbyname, getaddrinfo, gettimeofday, gmtime_r, gmtime_s, inet_ntoa, memset, socket, strftime, atexit, isascii, getpid], [], [
+AC_CHECK_DECLS([gethostbyname, getaddrinfo, gettimeofday, gmtime_r, gmtime_s, inet_ntoa, memset, socket, strftime, atexit, isascii, getpid, getrandom], [], [
 if test "$(eval echo \$"$(eval 'echo ac_cv_func_${as_decl_name}')")" = "yes"
 then
     AC_MSG_NOTICE([    note: earlier check for $(eval 'echo ${as_decl_name}') superseded.])