configury: fix documentation dependencies.
configury: fix documentation dependencies.

* local.mk (allhtml): All generated documentation.
Use it to ensure we regenerate as necessary.

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

ardje/luaposix,luaposix/luaposix,jimmyharris/luaposix,snegovick/luaposix,zevv/luaposix,jimmyharris/luaposix,rrthomas/luaposix,zevv/luaposix,snegovick/luaposix,rrthomas/luaposix,ardje/luaposix