configury: don't regenerate specl.1 after configure.
configury: don't regenerate specl.1 after configure.

* local.mk ($(srcdir)/doc/specl.1): Depend on $(srcdir)/bin/specl
instead of generated specs/specl.  Add $(LUAM_ENV) to help2man
invocation, and call $(srcdir)/bin/specl instead of $(SPECL).

Signed-off-by: Gary V. Vaughan <f9023000f29773649f3850298becb9544b5fd6a9@gnu.org>

gvvaughan/specl