Speculative fix to please the skia buildbots.  I couldn't repro the failure locally, but I did get valgrind to point out some uninitialized data, which this fix suppresses.
Speculative fix to please the skia buildbots.  I couldn't repro the failure
locally, but I did get valgrind to point out some uninitialized data, which
this fix suppresses.

Build fix; unreviewed.



csulmone/skia,csulmone/skia,csulmone/skia,csulmone/skia