hg: jdk9/dev: 8066828: configure fails if it's set --with-boot-jdk to use JDK 9 modular image

[erik.joelsson at oracle.com]

Changeset: fdde67c3f703
Author:    erikj
Date:      2014-12-09 08:49 +0100
URL:       http://hg.openjdk.java.net/jdk9/dev/rev/fdde67c3f703

8066828: configure fails if it's set --with-boot-jdk to use JDK 9 modular image
Reviewed-by: ihse

! common/autoconf/boot-jdk.m4
! common/autoconf/generated-configure.sh