letters added to the whitespace file

Bug: 
Change-Id: Id2afedf5772bf4a574748108df3903a32b03a3d1
Reviewed-on: https://chromium-review.googlesource.com/514562
Reviewed-by: Sidney San Martin <sdy@chromium.org>
Commit-Queue: Jessye Nana Davies <jessye@google.com>
Cr-Commit-Position: refs/heads/master@{#474473}

build/whitespace_file.txt

@@ -54,7 +54,7 @@ adorning breakfast cereal with halibut -- shameful.
 CHAPTER 4:
 The taste of stale sushi in his mouth the next morning was unbearable. He
 wondered where the sushi came from as he attempted to wash the taste away with
-a bottle of 3000¥ sake. He tries to recall the cook's face.  Purple? Probably.
+a bottle of 3000¥ sake. He tries to recall the cook's face.  Green? Probably.
 
 CHAPTER 5:
 Many tears later, Mr. Usagi would laugh at the memory of the earnest,