Get rid of FX_LPCSTR cast.

core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.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 "../../../include/fpdfapi/fpdf_parser.h"
 void CPDF_Object::Release()
 {
     if (m_ObjNum) {
@@ skipping 310 matching lines @@
         return PDF_DecodeText(((CPDF_Name*)this)->m_Name, pCharMap);
     }
     return CFX_WideString();
 }
 void CPDF_Object::SetUnicodeText(FX_LPCWSTR pUnicodes, int len)
 {
     if (m_Type == PDFOBJ_STRING) {
         ((CPDF_String*)this)->m_String = PDF_EncodeText(pUnicodes, len);
     } else if (m_Type == PDFOBJ_STREAM) {
         CFX_ByteString result = PDF_EncodeText(pUnicodes, len);
-        ((CPDF_Stream*)this)->SetData((FX_LPBYTE)(FX_LPCSTR)result, result.GetLength(), FALSE, FALSE);
+        ((CPDF_Stream*)this)->SetData((FX_LPBYTE)result.c_str(), result.GetLength(), FALSE, FALSE);
     }
 }
 CPDF_Number::CPDF_Number(int value)
 {
     m_Type = PDFOBJ_NUMBER;
     m_bInteger = TRUE;
     m_Integer = value;
 }
 CPDF_Number::CPDF_Number(FX_FLOAT value)
 {
@@ skipping 944 matching lines @@
     pObj->m_ObjNum = objnum;
     m_IndirectObjs.SetAt((FX_LPVOID)(FX_UINTPTR)objnum, pObj);
     if (m_LastObjNum < objnum) {
         m_LastObjNum = objnum;
     }
 }
 FX_DWORD CPDF_IndirectObjects::GetLastObjNum() const
 {
     return m_LastObjNum;
 }