4 files changed, 20 insertions, 1 deletions
diff --git a/core/src/fpdfapi/fpdf_page/pageint.h b/core/src/fpdfapi/fpdf_page/pageint.h
index 4e097ca49e..52aded078c 100644
--- a/core/src/fpdfapi/fpdf_page/pageint.h
+++ b/core/src/fpdfapi/fpdf_page/pageint.h
@@ -4,6 +4,9 @@
  
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
+#ifndef _PAGEINT_H_
+#define _PAGEINT_H_
+
 #include "../../../include/fpdfapi/fpdf_pageobj.h"
 #define PARSE_STEP_LIMIT		100
 #define STREAM_PARSE_BUFSIZE	20480
@@ -503,3 +506,5 @@ public:
 protected:
     CFX_MapByteStringToPtr	m_NamingCache;
 };
+
+#endif  // _PAGEINT_H_
diff --git a/core/src/fpdfdoc/pdf_vt.h b/core/src/fpdfdoc/pdf_vt.h
index 09ed0b0317..8fc9c7c099 100644
--- a/core/src/fpdfdoc/pdf_vt.h
+++ b/core/src/fpdfdoc/pdf_vt.h
@@ -4,7 +4,9 @@
  
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
+#ifndef _PDF_VT_H_
 #define _PDF_VT_H_
+
 class CPVT_Size;
 class CPVT_FloatRect;
 struct CPVT_SectionInfo;
@@ -637,3 +639,5 @@ private:
     CPVT_WordPlace							m_CurPos;
     CPDF_VariableText *						m_pVT;
 };
+
+#endif  // _PDF_VT_H_
diff --git a/core/src/fxge/dib/dib_int.h b/core/src/fxge/dib/dib_int.h
index 1e6d82ea86..19dc358133 100644
--- a/core/src/fxge/dib/dib_int.h
+++ b/core/src/fxge/dib/dib_int.h
@@ -1,9 +1,12 @@
 // 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 _DIB_INT_H_
+#define _DIB_INT_H_
+
 class CPDF_FixedMatrix : public CFX_Object
 {
 public:
@@ -86,3 +89,5 @@ public:
     void	StretchVert();
     int		m_State;
 };
+
+#endif  // _DIB_INT_H_
diff --git a/core/src/fxge/ge/text_int.h b/core/src/fxge/ge/text_int.h
index a3c9417bfc..c8d55965e3 100644
--- a/core/src/fxge/ge/text_int.h
+++ b/core/src/fxge/ge/text_int.h
@@ -4,6 +4,9 @@
  
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
+#ifndef _TEXT_INT_H_
+#define _TEXT_INT_H_
+
 struct _CFX_UniqueKeyGen {
     void		Generate(int count, ...);
     FX_CHAR		m_Key[128];
@@ -98,3 +101,5 @@ public:
     int					m_PitchFamily;
     CFX_ByteString		m_FontTables;
 };
+
+#endif  // _TEXT_INT_H_