hg: jdk/jdk: 8221907: make reconfigure breaks when configured with relative paths

[erik.joelsson at oracle.com]

Changeset: 542735f2a53e
Author:    erikj
Date:      2019-04-05 06:48 -0700
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/542735f2a53e

8221907: make reconfigure breaks when configured with relative paths
Reviewed-by: dholmes

! make/Init.gmk
! make/autoconf/basics.m4
! make/autoconf/basics_windows.m4
! make/autoconf/spec.gmk.in
! make/autoconf/toolchain_windows.m4