Clean up XFA code which causes warnings

xfa/fxfa/parser/xfa_localemgr.cpp

Index: xfa/fxfa/parser/xfa_localemgr.cpp
diff --git a/xfa/fxfa/parser/xfa_localemgr.cpp b/xfa/fxfa/parser/xfa_localemgr.cpp
index 0982537b15712f13c2ee4fa44e6114b386f72e5d..83c7cf025da66c44507590877d9668bbd79c515e 100644
--- a/xfa/fxfa/parser/xfa_localemgr.cpp
+++ b/xfa/fxfa/parser/xfa_localemgr.cpp
@@ -1123,9 +1123,8 @@ static uint16_t XFA_GetLanguage(CFX_WideString wsLanguage) {
 CXFA_LocaleMgr::CXFA_LocaleMgr(CXFA_Node* pLocaleSet, CFX_WideString wsDeflcid)
     : m_dwLocaleFlags(0x00) {
   m_dwDeflcid = XFA_GetLanguage(wsDeflcid);
-  CXFA_Node* pNodeLocale = NULL;
-  if (pLocaleSet &&
-      (pNodeLocale = pLocaleSet->GetNodeItem(XFA_NODEITEM_FirstChild))) {
+  if (pLocaleSet) {
+    CXFA_Node* pNodeLocale = pLocaleSet->GetNodeItem(XFA_NODEITEM_FirstChild);
     while (pNodeLocale) {
       m_LocaleArray.Add(new CXFA_NodeLocale(pNodeLocale));
       pNodeLocale = pNodeLocale->GetNodeItem(XFA_NODEITEM_NextSibling);