Fix lingering Makefile issue
Fix lingering Makefile issue

Bug: skia:
Change-Id: Icac97b5e2d058f5a6cab56f66adc0ee256c57912
Reviewed-on: https://skia-review.googlesource.com/19809
Reviewed-by: Kevin Lubick <7cdab2cfab351f23814786ba39716e90eed69047@google.com>

google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot