hg: jdk/submit: 8196356: Changes to m4 files don't trigger autoconf execution at build time

[erik.joelsson at oracle.com]

Changeset: 76ebfaa3cc3f
Author:    erikj
Date:      2018-02-08 10:28 -0800
URL:       http://hg.openjdk.java.net/jdk/submit/rev/76ebfaa3cc3f

8196356: Changes to m4 files don't trigger autoconf execution at build time
Reviewed-by: tbell

! make/autoconf/configure