Log Message:
Pullup ticket #5407 - requested by sevan
devel/rt4: build fix

Revisions pulled up:
- devel/rt4/Makefile                                            1.24

---
   Module Name:    pkgsrc
   Committed By:   manu
   Date:           Mon May  8 09:07:40 UTC 2017

   Modified Files:
           pkgsrc/devel/rt4: Makefile

   Log Message:
   Build fix: missing dependency on graphics/p5-GraphViz