Do not check pointers before deleting them.

xfa/fxbarcode/pdf417/BC_PDF417Detector.cpp

Index: xfa/fxbarcode/pdf417/BC_PDF417Detector.cpp
diff --git a/xfa/fxbarcode/pdf417/BC_PDF417Detector.cpp b/xfa/fxbarcode/pdf417/BC_PDF417Detector.cpp
index cfd52e56dc5c38929921651e11fc3e3e2eece46c..345efd564842f56ca31607ef17bf975ada87716c 100644
--- a/xfa/fxbarcode/pdf417/BC_PDF417Detector.cpp
+++ b/xfa/fxbarcode/pdf417/BC_PDF417Detector.cpp
@@ -114,9 +114,7 @@ CFX_PtrArray* CBC_Detector::detect(FX_BOOL multiple,
     CFX_PtrArray* vertices = findVertices(bitMatrix, row, column);
     if (vertices->GetAt(0) == NULL && vertices->GetAt(3) == NULL) {
       if (!foundBarcodeInRow) {
-        if (vertices) {
-          delete (vertices);
-        }
+        delete vertices;
         break;
       }
       foundBarcodeInRow = FALSE;
@@ -132,9 +130,7 @@ CFX_PtrArray* CBC_Detector::detect(FX_BOOL multiple,
         }
       }
       row += ROW_STEP;
-      if (vertices) {
-        delete (vertices);
-      }
+      delete vertices;
       continue;
     }
     foundBarcodeInRow = TRUE;