ports/158028: print/ghostscript8 must conflict with ghostscript9

[linimon at FreeBSD.org]

Old Synopsis: ghostscript8 must conflict with ghostscript9
New Synopsis: print/ghostscript8 must conflict with ghostscript9

Responsible-Changed-From-To: freebsd-ports-bugs->doceng
Responsible-Changed-By: linimon
Responsible-Changed-When: Sun Jun 19 15:47:50 UTC 2011
Responsible-Changed-Why: 
Fix synopsis and assign.

http://www.freebsd.org/cgi/query-pr.cgi?pr=158028