recent portrevision bump for libvpx

[Alex Dupre]

Andriy Gapon wrote:
> Needless to say that all these ports got their port revisions bumped.
> Was there a good reason for that?  I don't know.
>
> I just know that now I need to needlessly reinstall/rebuild about a hundred
> ports, many of which are not quite light-weight.

It's time to experiment seriously with ${EXPLICIT_PACKAGE_DEPENDS} and 
libtool patch to not link to indirect dependencies (ports/104877). 
Ideally a port should include in LIB_DEPENDS all the direct dependencies.

-- 
Alex Dupre