Fix more bugs found by /analyze tool

xfa/fxfa/app/xfa_ffchoicelist.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
 
 #include "xfa/fxfa/app/xfa_ffchoicelist.h"
 
 #include "xfa/fwl/basewidget/ifwl_edit.h"
 #include "xfa/fwl/core/fwl_noteimp.h"
@@ skipping 73 matching lines @@
   CFX_Int32Array iSelArray;
   m_pDataAcc->GetSelectedItems(iSelArray);
   int32_t iOldSels = iSelArray.GetSize();
   CFWL_ListBox* pListBox = (CFWL_ListBox*)m_pNormalWidget;
   int32_t iSels = pListBox->CountSelItems();
   if (iOldSels != iSels)
     return TRUE;
 
   for (int32_t i = 0; i < iSels; ++i) {
     IFWL_ListItem* hlistItem = pListBox->GetItem(iSelArray[i]);
-    if (!(pListBox->GetItemStates(hlistItem) && FWL_ITEMSTATE_LTB_Selected))
+    if (!(pListBox->GetItemStates(hlistItem) & FWL_ITEMSTATE_LTB_Selected))
       return TRUE;
   }
   return FALSE;
 }
 
 uint32_t CXFA_FFListBox::GetAlignment() {
   uint32_t dwExtendedStyle = 0;
   if (CXFA_Para para = m_pDataAcc->GetPara()) {
     int32_t iHorz = para.GetHorizontalAlign();
     switch (iHorz) {
@@ skipping 418 matching lines @@
     default:
       break;
   }
   m_pOldDelegate->OnProcessEvent(pEvent);
 }
 
 void CXFA_FFComboBox::OnDrawWidget(CFX_Graphics* pGraphics,
                                    const CFX_Matrix* pMatrix) {
   m_pOldDelegate->OnDrawWidget(pGraphics, pMatrix);
 }