[patch] graphics/libwpg: DOCS option should be renamed to DOXYGEN

[Alexey Dokuchaev]

On Wed, Oct 23, 2013 at 08:06:03PM +0700, Alexey Dokuchaev wrote:
> hi there,
> 
> please consider attached diff.  it also looks like that port is
> stage-ready as it is.

libwps also abuses DOCS option for building stuff with doxygen.  since all
of them are maintained by office@, i guess there could be other cases...

./danfe