Cleanup: Normalize liscence headers in modules/crypto/*.

Source/modules/crypto/Crypto.idl

Index: Source/modules/crypto/Crypto.idl
diff --git a/Source/modules/crypto/Crypto.idl b/Source/modules/crypto/Crypto.idl
index d3146995ba2c9b3c6487af6ffaf408ea4e47c5be..7a24113f31976ca12969a064297430a182ee3e25 100644
--- a/Source/modules/crypto/Crypto.idl
+++ b/Source/modules/crypto/Crypto.idl
@@ -6,13 +6,13 @@
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
- *     notice, this list of conditions and the following disclaimer. 
+ *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution. 
+ *     documentation and/or other materials provided with the distribution.
  * 3.  Neither the name of Google, Inc. ("Google") nor the names of
  *     its contributors may be used to endorse or promote products derived
- *     from this software without specific prior written permission. 
+ *     from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY GOOGLE AND ITS CONTRIBUTORS "AS IS" AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED