Fix lint bugs.

xfa/fxbarcode/BC_BufferedImageLuminanceSource.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
 // Original code is licensed as follows:
 /*
  * Copyright 2009 ZXing authors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ skipping 117 matching lines @@
     int32_t pixel = rowLine[x];
     int32_t luminance = (306 * ((pixel >> 16) & 0xFF) +
                          601 * ((pixel >> 8) & 0xFF) + 117 * (pixel & 0xFF)) >>
                         10;
     row[x] = (uint8_t)luminance;
   }
   return &row;
 }
 
 CFX_ByteArray* CBC_BufferedImageLuminanceSource::GetMatrix() {
-  CFX_ByteArray* matirx = new CFX_ByteArray();
-  matirx->SetSize(m_bytesPerLine * m_height);
+  CFX_ByteArray* matrix = new CFX_ByteArray();
+  matrix->SetSize(m_bytesPerLine * m_height);
   int32_t* rgb = (int32_t*)m_pBitmap->GetBuffer();
   int32_t y;
   for (y = 0; y < m_height; y++) {
     int32_t offset = y * m_width;
     int32_t x;
     for (x = 0; x < m_width; x++) {
       int32_t pixel = rgb[offset + x];
       int32_t luminance =
           (306 * ((pixel >> 16) & 0xFF) + 601 * ((pixel >> 8) & 0xFF) +
            117 * (pixel & 0xFF)) >>
           10;
-      (*matirx)[offset + x] = (uint8_t)luminance;
+      (*matrix)[offset + x] = (uint8_t)luminance;
     }
   }
-  return matirx;
+  return matrix;
 }