toplevel out of sync

[DJ Delorie]

> There are no changes in intl, libiberty.  The sourceware git mirror
> doesn't seem to carry libdecnumber.  Which files in include/ were
> part of libiberty again?

Libiberty is kept in sync because gcc is the master and src is the
copy, so it can be mostly automated.  The libiberty sync includes
libiberty/, intl/, libdecnumber/, and those files in include/ that
exist in both repositories (src has more files therein which are
src-specific).