[pstricks] pstricks-add stops lyx

[Herbert Voss]

Bernd Sellentin wrote:

> I updated to pstricks-add fileversion 2.71, now lyx 1.3.4 complains and stops 
> latexing:
> 
> Package xkeyval Error: `hatchwidthinc' undefined in families `,pstricks-add'.
>  \resetOptions
> Package xkeyval Error: `hatchsepinc' undefined in families `,pstricks-add'.
>  \resetOptions
> 
> I commented out in pstricks-add.tex line 2550:
> hatchsepinc=0pt,hatchwidthinc=0pt,%

pstricks-add depends heavily on pstricks.tex|pro
Please update also these two files.

Herbert