WS: remove trailing WS.

TBR=stani@google.com

Change-Id: I8d2b86697797977ed153cc65e2ca63941677c010
Reviewed-on: https://skia-review.googlesource.com/7826
Reviewed-by: Herb Derby <herb@google.com>
Commit-Queue: Herb Derby <herb@google.com>
2 files changed