Get rid of NULLs in xfa/

xfa/fgas/crt/fgas_utils.h

Index: xfa/fgas/crt/fgas_utils.h
diff --git a/xfa/fgas/crt/fgas_utils.h b/xfa/fgas/crt/fgas_utils.h
index 6fef23d96849e515bc4668401b8b747c0bf41c1d..88b53e52db66c77d07e37b5d43dcd391f8708cbf 100644
--- a/xfa/fgas/crt/fgas_utils.h
+++ b/xfa/fgas/crt/fgas_utils.h
@@ -374,7 +374,7 @@ class CFX_DiscreteArrayTemplate : public CFX_BaseDiscreteArray {
       : CFX_BaseDiscreteArray(iChunkSize, sizeof(baseType)) {}
   baseType& GetAt(int32_t index, const baseType& defValue) const {
     baseType* p = (baseType*)CFX_BaseDiscreteArray::GetAt(index);
-    return p == NULL ? (baseType&)defValue : *p;
+    return p ? *p : (baseType&)defValue;
   }
   baseType* GetPtrAt(int32_t index) const {
     return (baseType*)CFX_BaseDiscreteArray::GetAt(index);
@@ -442,7 +442,7 @@ class CFX_ObjectStackTemplate : public CFX_BaseStack {
   }
   void Pop() {
     baseType* p = (baseType*)CFX_BaseStack::GetTopElement();
-    if (p != NULL) {
+    if (p) {
       p->~baseType();
     }
     CFX_BaseStack::Pop();