Fixup incorrect include guards.

xfa/include/fwl/basewidget/fwl_spinbutton.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 _FWL_SPINBUTTON_H
-#define _FWL_SPINBUTTON_H
+#ifndef XFA_INCLUDE_FWL_BASEWIDGET_FWL_SPINBUTTON_H_
+#define XFA_INCLUDE_FWL_BASEWIDGET_FWL_SPINBUTTON_H_
+
 class CFWL_WidgetImpProperties;
 class IFWL_Widget;
 class IFWL_SpinButton;
 #define FWL_CLASS_SpinButton L"FWL_SPINBUTTON"
 #define FWL_CLASSHASH_SpinButton 3793043646
 #define FWL_STYLEEXE_SPB_Vert (1L << 0)
 #define FWL_PART_SPB_Border 1
 #define FWL_PART_SPB_Edge 2
 #define FWL_PART_SPB_UpButton 3
 #define FWL_PART_SPB_DownButton 4
@@ skipping 13 matching lines @@
  public:
   static IFWL_SpinButton* Create(const CFWL_WidgetImpProperties& properties,
                                  IFWL_Widget* pOuter);
 
   FWL_ERR EnableButton(FX_BOOL bEnable, FX_BOOL bUp = TRUE);
   FX_BOOL IsButtonEnable(FX_BOOL bUp = TRUE);
 
  protected:
   IFWL_SpinButton();
 };
-#endif
+
+#endif  // XFA_INCLUDE_FWL_BASEWIDGET_FWL_SPINBUTTON_H_