pullup ticket #2555 - requested by tron
graphviz: add a patch for security vulnerability

revisions pulled up:
pkgsrc/graphics/graphviz/Makefile 1.65
pkgsrc/graphics/graphviz/distinfo 1.29
pkgsrc/graphics/graphviz/patches/patch-au 1.10

  Module Name:    pkgsrc
  Committed By:  tron
  Date:          Sun Oct 12 13:14:39 UTC 2008

  Modified Files:
          pkgsrc/graphics/graphviz: Makefile distinfo
  Added Files:
          pkgsrc/graphics/graphviz/patches: patch-au

  Log Message:
  Add patch for the graphviz 2.20.3 release to fix the security
  vulnerability reported in SA32186.

(rtr)