Log Message:
Pullup ticket #5984 - requested by nia
graphics/openimageio: build fix

Revisions pulled up:
- graphics/openimageio/buildlink3.mk                            1.37

---
   Module Name:	pkgsrc
   Committed By:	nia
   Date:		Tue Jul  2 07:49:22 UTC 2019

   Modified Files:
   	pkgsrc/graphics/openimageio: buildlink3.mk

   Log Message:
   openimageio: Include the correct package in buildlink3.mk.

   openimageio now uses qt5, not qt4.

   This was causing blender to fail to build in bulk builds and on systems
   where qt4 was not preinstalled.

   XXX needs pullup?