hg: jdk9/sandbox: 8151619: genSocketOptionRegistry.exe always relinked on Windows

[chris.hegarty at oracle.com]

Changeset: 5d868c42d888
Author:    erikj
Date:      2016-03-14 12:00 +0100
URL:       http://hg.openjdk.java.net/jdk9/sandbox/rev/5d868c42d888

8151619: genSocketOptionRegistry.exe always relinked on Windows
Reviewed-by: tbell

! common/autoconf/flags.m4
! common/autoconf/generated-configure.sh
! make/common/NativeCompilation.gmk