hg: build-infra/jdk8: Fixed typo in bootjdk detection.

[magnus.ihse.bursie at oracle.com]

Changeset: fa7c8adce392
Author:    ihse
Date:      2012-08-29 11:19 +0200
URL:       http://hg.openjdk.java.net/build-infra/jdk8/rev/fa7c8adce392

Fixed typo in bootjdk detection.

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