Pullup ticket #5024 - requested by joerg
sysutils/xentools33: build fix

Revisions pulled up:
- sysutils/xentools33/Makefile                                  1.50
- sysutils/xentools33/distinfo                                  1.32
- sysutils/xentools33/patches/patch-fs-back_Makefile            1.1

---
  Module Name: pkgsrc
  Committed By: joerg
  Date: Wed May 18 21:24:44 UTC 2016

  Modified Files:
  pkgsrc/sysutils/xentools33: Makefile distinfo
  Added Files:
  pkgsrc/sysutils/xentools33/patches: patch-fs-back_Makefile

  Log Message:
  Add missing rpath. Make a bunch of GCC warnings non-fatal. Bump
  revision.

(bsiegert)