Update makefile for new version of prfun

Change-Id: Ibb72aaac2dbdcafc57c8011cdf3a10ddcf4c73e8
Updates!

Change-Id: Id774c28148a79377fe5878eaf32dc3594cbe2de9
Merge remote-tracking branch 'origin/master' into wmf-deploy

* origin/master:
  Updates!
  Update makefile for new version of prfun

Change-Id: Ie934603ba108a88a6c7f3505fbdf10b86740f512