Pullup ticket #4561 - requested by wiz
graphics/graphviz: security patch

Revisions pulled up:
- graphics/graphviz/Makefile                                    1.146 via patch
- graphics/graphviz/distinfo                                    1.53
- graphics/graphviz/patches/patch-lib_cgraph_scan.l             1.4

---
   Module Name:	pkgsrc
   Committed By:	wiz
   Date:		Mon Dec  1 08:45:04 UTC 2014

   Modified Files:
   	pkgsrc/graphics/graphviz: Makefile distinfo
   Added Files:
   	pkgsrc/graphics/graphviz/patches: patch-lib_cgraph_scan.l

   Log Message:
   Fix format string vulnerability.
   >From upstream git.
   Bump PKGREVISION.
Pullup ticket #4561.