Reported by Alex Kost <alezost@gmail.com>
at <http://lists.gnu.org/archive/html/guix-devel/2015-06/msg00235.html>.
* guix/gexp.scm (local-file): Change #:recursive? to default to #f.
* tests/gexp.scm ("one local file", "gexp->derivation, local-file"): Adjust
calls to 'add-to-store' and 'interned-file' accordingly.