maint: self-configure rockspec for release versions.
maint: self-configure rockspec for release versions.

* luaposix-git-1.rockspec (source, dependencies): Set fields based
on _MODREV value.

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

luaposix/luaposix