Graphics opennurbs

From the project's page:

The openNURBS Initiative provides CAD, CAM, CAE, and computer graphics software developers the tools to accurately transfer 3-D geometry between applications

I updated opennurbs to 20121024 in the FreeBSD ports. The latest version fixed several bugs.

The commit reference:

http://www.freebsd.org/cgi/query-pr.cgi?pr=173396