hg: jdk/sandbox: 8248158: Configure fails with autoconf not found even though it's installed

[chris.hegarty at oracle.com]

Changeset: c075a286cc7d
Author:    sgehwolf
Date:      2020-08-05 11:59 +0200
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/c075a286cc7d

8248158: Configure fails with autoconf not found even though it's installed
Reviewed-by: erikj, ihse, stooke
Contributed-by: Galder Zamarreno <galder at redhat.com>

! make/autoconf/basic_tools.m4
! make/autoconf/configure
! make/autoconf/util.m4
! make/autoconf/util_windows.m4