Whitespace change to trigger bots (2)

Cr-Commit-Position: refs/heads/master@{#25170}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25170 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

tools/whitespace.txt

@@ -5,4 +5,4 @@ Try to write something funny. And please don't add trailing whitespace.
 A Smi walks into a bar and says:
 "I'm so deoptimized today!"
 The doubles heard this and started to unbox.
-The Smi looked at them when a crazy v8-autoroll account showed up........
+The Smi looked at them when a crazy v8-autoroll account showed up.........