Pullup ticket #5479 - requested by sevan
net/dnstracer: build fix

Revisions pulled up:
- net/dnstracer/Makefile                                        1.18
- net/dnstracer/distinfo                                        1.8
- net/dnstracer/patches/patch-Makefile                          1.1

---
  Module Name:    pkgsrc
  Committed By:  jperkin
  Date:          Wed Jun 14 09:30:20 UTC 2017

  Modified Files:
          pkgsrc/net/dnstracer: Makefile distinfo
  Added Files:
          pkgsrc/net/dnstracer/patches: patch-Makefile

  Log Message:
  Fix build on Darwin and SunOS.

(bsiegert)