hg: jdk9/sandbox: Clean up rpath/origin handling.

[magnus.ihse.bursie at oracle.com]

Changeset: 2c510e13adbe
Author:    ihse
Date:      2015-12-21 11:35 +0100
URL:       http://hg.openjdk.java.net/jdk9/sandbox/rev/2c510e13adbe

Clean up rpath/origin handling.

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