* m4/amversion.in, m4/as.m4, m4/auxdir.m4, m4/ccstdc.m4,

* m4/amversion.in, m4/as.m4, m4/auxdir.m4, m4/ccstdc.m4,
m4/cond.m4, m4/depend.m4, m4/depout.m4, m4/dmalloc.m4, m4/gcj.m4,
m4/header.m4, m4/init.m4, m4/install-sh.m4, m4/lead-dot.m4,
m4/lex.m4, m4/lispdir.m4, m4/maintainer.m4, m4/make.m4,
m4/minuso.m4, m4/missing.m4, m4/mkdirp.m4, m4/multi.m4,
m4/obsol-gt.m4, m4/obsol-lt.m4, m4/obsolete.m4, m4/options.m4,
m4/protos.m4, m4/python.m4, m4/regex.m4, m4/runlog.m4,
m4/sanity.m4, m4/strip.m4, m4/tar.m4: Use the same all-permissive
license that is used in aclocal.m4.  Relicensing backed by RMS.