[RFA] script to update our gnulib-import (take 2)

[Tom Tromey]

>>>>> "Joel" == Joel Brobecker <brobecker@adacore.com> writes:

Joel>         * gnulib/update-gnulib.sh: New script.
Joel> Script tested by running it, and verifying that it does not introduce
Joel> any change.

Joel> OK to commit?

I think it is fine.

Tom