Merge to XFA: Fix ALL the include guards.

core/src/fpdfapi/fpdf_page/pageint.h

Index: core/src/fpdfapi/fpdf_page/pageint.h
diff --git a/core/src/fpdfapi/fpdf_page/pageint.h b/core/src/fpdfapi/fpdf_page/pageint.h
index 93f34e51a29818ddf453a023c619235f30ab95f6..7c527150b3a19960eaf13a1ca8da0f8df43f2543 100644
--- a/core/src/fpdfapi/fpdf_page/pageint.h
+++ b/core/src/fpdfapi/fpdf_page/pageint.h
@@ -4,10 +4,11 @@
  
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef _PAGEINT_H_
-#define _PAGEINT_H_
+#ifndef CORE_SRC_FPDFAPI_FPDF_PAGE_PAGEINT_H_
+#define CORE_SRC_FPDFAPI_FPDF_PAGE_PAGEINT_H_
 
 #include "../../../include/fpdfapi/fpdf_pageobj.h"
+
 #define PARSE_STEP_LIMIT		100
 #define STREAM_PARSE_BUFSIZE	20480
 class CPDF_QuickFontCache;
@@ -465,4 +466,4 @@ protected:
     CFX_MapByteStringToPtr	m_NamingCache;
 };
 
-#endif  // _PAGEINT_H_
+#endif  // CORE_SRC_FPDFAPI_FPDF_PAGE_PAGEINT_H_