Fix all relative includes to public.

fpdfsdk/src/fpdf_ext.cpp

 // 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
 
+#include "public/fpdf_ext.h"
+
 #include "../../core/include/fxcrt/fx_xml.h"
-#include "../../public/fpdf_ext.h"
 #include "../include/fsdk_define.h"
 
 #define FPDFSDK_UNSUPPORT_CALL 100
 
 class CFSDK_UnsupportInfo_Adapter {
  public:
   CFSDK_UnsupportInfo_Adapter(UNSUPPORT_INFO* unsp_info) {
     m_unsp_info = unsp_info;
   }
   //  FX_BOOL NeedToPauseNow();
@@ skipping 185 matching lines @@
     return PAGEMODE_USETHUMBS;
   if (strPageMode.EqualNoCase("FullScreen"))
     return PAGEMODE_FULLSCREEN;
   if (strPageMode.EqualNoCase("UseOC"))
     return PAGEMODE_USEOC;
   if (strPageMode.EqualNoCase("UseAttachments"))
     return PAGEMODE_USEATTACHMENTS;
 
   return PAGEMODE_UNKNOWN;
 }