Fix ALL the include guards.

fpdfsdk/include/pdfwindow/PWL_IconList.h

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
  
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef _PWL_IconList_H_
-#define _PWL_IconList_H_
+#ifndef FPDFSDK_INCLUDE_PDFWINDOW_PWL_ICONLIST_H_
+#define FPDFSDK_INCLUDE_PDFWINDOW_PWL_ICONLIST_H_
 
 #include "../../../core/include/fxcrt/fx_string.h"
 #include "PWL_ListCtrl.h"
 #include "PWL_Wnd.h"
 
 class IPWL_IconList_Notify;
 class CPWL_IconList_Item;
 class CPWL_IconList_Content;
 class CPWL_IconList;
 class CPWL_Label;
@@ skipping 98 matching lines @@
         virtual void                                            OnCreated();
         virtual void                                            RePosChildWnd();
         virtual void                                            CreateChildWnd(const PWL_CREATEPARAM & cp);
         
         virtual void                                            OnNotify(CPWL_Wnd* pWnd, FX_DWORD msg, FX_INTPTR wParam = 0, FX_INTPTR lParam = 0);
 
 private:
         CPWL_IconList_Content*                          m_pListContent;
         FX_INT32                                                        m_nListCount;
 };
- 
-#endif //_PWL_IconList_H_
 
-
+#endif  // FPDFSDK_INCLUDE_PDFWINDOW_PWL_ICONLIST_H_