hg: jdk9/dev: 8030794: Update configure to require jdk8 as boot

[erik.joelsson at oracle.com]

Changeset: 79a52c1cc5b6
Author:    erikj
Date:      2014-04-22 14:14 +0200
URL:       http://hg.openjdk.java.net/jdk9/dev/rev/79a52c1cc5b6

8030794: Update configure to require jdk8 as boot
Reviewed-by: chegar, tbell

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