[gfsd]ghostscript page

[George Nassas]

Hi, on the page:

    http://www.gnu.org/gnulist/production/ghostscript.html

the home page for the package is listed as:

    http://www.cs.wisc.edu/~ghost/gnu/

but that's obsolete, it's actually:

    http://www.cs.wisc.edu/~ghost/

- George