hg: jigsaw/jake: Move build to -Xpatch

[alan.bateman at oracle.com]

Changeset: 931b4924d1b6
Author:    alanb
Date:      2015-09-26 14:57 +0100
URL:       http://hg.openjdk.java.net/jigsaw/jake/rev/931b4924d1b6

Move build to -Xpatch

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