Fix ALL the include guards.

fpdfsdk/include/pdfwindow/PWL_Wnd.h

Index: fpdfsdk/include/pdfwindow/PWL_Wnd.h
diff --git a/fpdfsdk/include/pdfwindow/PWL_Wnd.h b/fpdfsdk/include/pdfwindow/PWL_Wnd.h
index 8b766ec984cca9d8f4efbae3dba0afe3b09b9512..4fa1c7639b6a3fb0e5b1fd7c4314fa30181afb67 100644
--- a/fpdfsdk/include/pdfwindow/PWL_Wnd.h
+++ b/fpdfsdk/include/pdfwindow/PWL_Wnd.h
@@ -4,8 +4,8 @@
  
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef _PWL_WND_H_
-#define _PWL_WND_H_
+#ifndef FPDFSDK_INCLUDE_PDFWINDOW_PWL_WND_H_
+#define FPDFSDK_INCLUDE_PDFWINDOW_PWL_WND_H_
 
 #include "../../../core/include/fxcrt/fx_basic.h"
 #include "../../../core/include/fpdfdoc/fpdf_doc.h"
@@ -474,28 +474,4 @@ private:
 	FX_BOOL							m_bEnabled;
 };
 
-// #ifndef VK_END
-// 
-// #define VK_END            0x23
-// #define VK_HOME           0x24
-// #define VK_LEFT           0x25
-// #define VK_UP             0x26
-// #define VK_RIGHT          0x27
-// #define VK_DOWN           0x28
-// #define VK_INSERT         0x2D
-// #define VK_DELETE         0x2E
-// 
-// #define VK_BACK           0x08
-// #define VK_TAB            0x09
-// 
-// #define VK_CLEAR          0x0C
-// #define VK_RETURN         0x0D
-// #define VK_ESCAPE         0x1B
-// #define VK_SPACE          0x20
-// #endif
-// 
-// #define VK_NONE			  0
-
-#endif // !defined(AFX_PWL_WND_H__D32812AD_A875_4E08_9D3C_0A57020987C6__INCLUDED_)
-
-
+#endif  // FPDFSDK_INCLUDE_PDFWINDOW_PWL_WND_H_