fix a few linux compilation warnings

core/src/fpdftext/fpdf_text_int.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_resource.h"
 #include "../../include/fpdfapi/fpdf_pageobj.h"
 #include "../../include/fpdftext/fpdf_text.h"
 #include "../../include/fpdfapi/fpdf_page.h"
@@ skipping 1346 matching lines @@
                     AddCharInfoByRLDirection(str, n);
                 }
             } else {
                 int end = start + count1 ;
                 for(int n = start; n < end; n++) {
                     AddCharInfoByLRDirection(str, n);
                 }
             }
         }
     }
-    int ntext = m_TextBuf.GetSize();
-    ntext = m_charList.GetSize();
     order.RemoveAll();
     m_TempCharList.RemoveAll();
     m_TempTextBuf.Delete(0, m_TempTextBuf.GetLength());
     BidiChar->Release();
 }
 void CPDF_TextPage::ProcessTextObject(CPDF_TextObject*  pTextObj, const CFX_AffineMatrix& formMatrix, FX_POSITION ObjPos)
 {
     CFX_FloatRect re(pTextObj->m_Left, pTextObj->m_Bottom, pTextObj->m_Right, pTextObj->m_Top);
     if(FXSYS_fabs(pTextObj->m_Right - pTextObj->m_Left) < 0.01f ) {
         return;
@@ skipping 1124 matching lines @@
         if(csWord.IsEmpty()) {
             if(ret) {
                 m_csFindWhatArray.Add(CFX_WideString(L""));
                 index++;
                 continue;
             } else {
                 break;
             }
         }
         int pos = 0;
+        // TODO(tsepez): unused bLastIgnore is suspicious.
         FX_BOOL bLastIgnore = FALSE;
         while(pos < csWord.GetLength()) {
             CFX_WideString curStr = csWord.Mid(pos, 1);
             FX_WCHAR curChar = csWord.GetAt(pos);
             if (_IsIgnoreSpaceCharacter(curChar)) {
                 if (pos > 0 && curChar == 0x2019) {
                     pos++;
                     continue;
                 }
                 if (pos > 0 ) {
@@ skipping 327 matching lines @@
     if (!m_IsParserd || index < 0 || index >= m_LinkList.GetSize()) {
         return;
     }
     CPDF_LinkExt* link = NULL;
     link = m_LinkList.GetAt(index);
     if (!link) {
         return ;
     }
     m_pTextPage->GetRectArray(link->m_Start, link->m_Count, rects);
 }