Fix for bug 2425 is incorrect. First, the users' graph should never cause the code to enter the if (ND_shape(n)->usershape) {} block, as the nodes just use the image attribute. Second, the logic fails to handle the case of postscript library shapes.
Fix for bug 2425 is incorrect. First, the users' graph should never cause
the code to enter the if (ND_shape(n)->usershape) {} block, as the nodes
just use the image attribute. Second, the logic fails to handle the case
of postscript library shapes.

ellson/graphviz,BMJHayward/graphviz,ellson/graphviz,MjAbuz/graphviz,pixelglow/graphviz,tkelman/graphviz,kbrock/graphviz,ellson/graphviz,kbrock/graphviz,MjAbuz/graphviz,jho1965us/graphviz,ellson/graphviz,tkelman/graphviz,pixelglow/graphviz,MjAbuz/graphviz,ellson/graphviz,BMJHayward/graphviz,tkelman/graphviz,ellson/graphviz,jho1965us/graphviz,BMJHayward/graphviz,jho1965us/graphviz,BMJHayward/graphviz,pixelglow/graphviz,jho1965us/graphviz,kbrock/graphviz,ellson/graphviz,pixelglow/graphviz,tkelman/graphviz,BMJHayward/graphviz,MjAbuz/graphviz,kbrock/graphviz,MjAbuz/graphviz,kbrock/graphviz,pixelglow/graphviz,BMJHayward/graphviz,MjAbuz/graphviz,ellson/graphviz,ellson/graphviz,pixelglow/graphviz,pixelglow/graphviz,BMJHayward/graphviz,jho1965us/graphviz,pixelglow/graphviz,MjAbuz/graphviz,tkelman/graphviz,jho1965us/graphviz,kbrock/graphviz,tkelman/graphviz,kbrock/graphviz,jho1965us/graphviz,BMJHayward/graphviz,MjAbuz/graphviz,ellson/graphviz,jho1965us/graphviz,jho1965us/graphviz,BMJHayward/graphviz,tkelman/graphviz,kbrock/graphviz,tkelman/graphviz,MjAbuz/graphviz,pixelglow/graphviz,jho1965us/graphviz,tkelman/graphviz,kbrock/graphviz,ellson/graphviz,pixelglow/graphviz,jho1965us/graphviz,tkelman/graphviz,BMJHayward/graphviz,kbrock/graphviz,MjAbuz/graphviz,pixelglow/graphviz,kbrock/graphviz,MjAbuz/graphviz,tkelman/graphviz,BMJHayward/graphviz