Yet another whitespace change for Cr-Commit-Position

Through CQ this time.

R=iannucci@chromium.org
BUG=366924
NOTRY=true
NOTREECHECKS=true

Review URL: https://codereview.chromium.org/452703002

Cr-Commit-Position: refs/heads/master@{#288207}
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@288207 0039d316-1c4b-4281-b951-d872f2087c98

build/whitespace_file.txt

@@ -126,4 +126,4 @@ seasons. And so they modified the whitespace file with these immortal lines,
 and visited it upon the bots, that great destruction might be wrought upon
 their outdated binaries. In clobberus, veritas.
 
-As the git approaches, light begins to shine through the SCM twice again...
+As the git approaches, light begins to shine through the SCM thrice again...