hg: jdk9/client: 8175307: rpath macro needs to use an argument on macosx

[david.dehaven at oracle.com]

Changeset: 445ce1eef4d8
Author:    ddehaven
Date:      2017-02-22 08:37 -0800
URL:       http://hg.openjdk.java.net/jdk9/client/rev/445ce1eef4d8

8175307: rpath macro needs to use an argument on macosx
Reviewed-by: erikj

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