hg: jdk9/sandbox: 8130303: Fix bogus check for libX11.so in libraries.m4

[chris.hegarty at oracle.com]

Changeset: 2c7ff240d69e
Author:    simonis
Date:      2015-07-02 09:38 +0200
URL:       http://hg.openjdk.java.net/jdk9/sandbox/rev/2c7ff240d69e

8130303: Fix bogus check for libX11.so in libraries.m4
Reviewed-by: simonis, erikj
Contributed-by: matthias.baesken at sap.com

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