Fix trailing whitespace in .cpp, .h, and .idl files (ex. Source/core)

Source/config.h

 /*
  * Copyright (C) 2004, 2005, 2006, 2013 Apple Inc.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
- */ 
+ */
 
 #include <wtf/Platform.h>
 
 #if OS(WINDOWS)
 
 // If we don't define these, they get defined in windef.h.
 // We want to use std::min and std::max.
 #ifndef max
 #define max max
 #endif
@@ skipping 17 matching lines @@
 
 #if COMPILER(MSVC)
 #define SKIP_STATIC_CONSTRUCTORS_ON_MSVC 1
 #else
 #define SKIP_STATIC_CONSTRUCTORS_ON_GCC 1
 #endif
 
 #ifndef __STDC_FORMAT_MACROS
 #define __STDC_FORMAT_MACROS 1
 #endif