hg: jdk10/hs: 8086005: Define __STDC_xxx_MACROS config macros globally via build system

[kim.barrett at oracle.com]

Changeset: bdd710ab9e73
Author:    kbarrett
Date:      2017-06-13 11:09 -0400
URL:       http://hg.openjdk.java.net/jdk10/hs/rev/bdd710ab9e73

8086005: Define __STDC_xxx_MACROS config macros globally via build system
Summary: Moved macro definitions to hotspot build configuration
Reviewed-by: erikj, eosterlund

! common/autoconf/flags.m4
! common/autoconf/generated-configure.sh