Whitespace change to test fuzzers

TBR=easterbunny

Change-Id: I9f466f6eb0072e6576512d0bb0cead5924a12513
Reviewed-on: https://chromium-review.googlesource.com/875983Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#50711}

tools/whitespace.txt

@@ -7,4 +7,4 @@ A Smi balks into a war and says:
 The doubles heard this and started to unbox.
 The Smi looked at them when a crazy v8-autoroll account showed up...
 The autoroller bought a round of Himbeerbrause. Suddenly...
-The bartender starts to shake the bottles......................
+The bartender starts to shake the bottles.......................