ports/143304: Update ports www/weave to rc4

[Grzegorz Blach]

On 2010.01.28 03:20, miwi at FreeBSD.org wrote:
> Synopsis: Update ports www/weave to rc4
>
> Responsible-Changed-From-To: freebsd-ports-bugs->miwi
> Responsible-Changed-By: miwi
> Responsible-Changed-When: Thu Jan 28 02:20:36 UTC 2010
> Responsible-Changed-Why:
> I'll take it.
>
> http://www.freebsd.org/cgi/query-pr.cgi?pr=143304

This update seems to build and works correctly, so patch should be 
commited without my additions.