Cleanup: fix some CSS comment styles (especially copyrights)

chrome/browser/resources/chromeos/login/screen_wrong_hwid.css

Index: chrome/browser/resources/chromeos/login/screen_wrong_hwid.css
diff --git a/chrome/browser/resources/chromeos/login/screen_wrong_hwid.css b/chrome/browser/resources/chromeos/login/screen_wrong_hwid.css
index 0955d3c6cc099aee7daaca81a8c53151e8a11761..b0fb4f911ec5a1c8aa0b759d8e00cfa76e46b3ef 100644
--- a/chrome/browser/resources/chromeos/login/screen_wrong_hwid.css
+++ b/chrome/browser/resources/chromeos/login/screen_wrong_hwid.css
@@ -2,8 +2,7 @@
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  *
- * This is the stylesheet used by the wrong HWID screen.
- */
+ * This is the stylesheet used by the wrong HWID screen. */
 
 #wrong-hwid {
   padding: 40px 17px 30px;