Remove foo != NULL checks in xfa/src/fxbarcode.

xfa/src/fxbarcode/pdf417/BC_PDF417DetectionResultColumn.cpp

Index: xfa/src/fxbarcode/pdf417/BC_PDF417DetectionResultColumn.cpp
diff --git a/xfa/src/fxbarcode/pdf417/BC_PDF417DetectionResultColumn.cpp b/xfa/src/fxbarcode/pdf417/BC_PDF417DetectionResultColumn.cpp
index 39dea3ab53ff36b73301e6cc32eb49acf835b9d5..2cda53006790005b59859b42905d17496bb4c0b7 100644
--- a/xfa/src/fxbarcode/pdf417/BC_PDF417DetectionResultColumn.cpp
+++ b/xfa/src/fxbarcode/pdf417/BC_PDF417DetectionResultColumn.cpp
@@ -40,21 +40,21 @@ CBC_DetectionResultColumn::~CBC_DetectionResultColumn() {
 }
 CBC_Codeword* CBC_DetectionResultColumn::getCodewordNearby(int32_t imageRow) {
   CBC_Codeword* codeword = getCodeword(imageRow);
-  if (codeword != NULL) {
+  if (codeword) {
     return codeword;
   }
   for (int32_t i = 1; i < MAX_NEARBY_DISTANCE; i++) {
     int32_t nearImageRow = imageRowToCodewordIndex(imageRow) - i;
     if (nearImageRow >= 0) {
       codeword = (CBC_Codeword*)m_codewords->GetAt(nearImageRow);
-      if (codeword != NULL) {
+      if (codeword) {
         return codeword;
       }
     }
     nearImageRow = imageRowToCodewordIndex(imageRow) + i;
     if (nearImageRow < m_codewords->GetSize()) {
       codeword = (CBC_Codeword*)m_codewords->GetAt(nearImageRow);
-      if (codeword != NULL) {
+      if (codeword) {
         return codeword;
       }
     }