| Index: xfa/fxfa/app/xfa_ffcheckbutton.cpp | 
| diff --git a/xfa/fxfa/app/xfa_ffcheckbutton.cpp b/xfa/fxfa/app/xfa_ffcheckbutton.cpp | 
| index a24971c9d457722dee588ca2b45f6d9fb0fd854e..253cbd002510fd43cbf79ba1eaee0879df37961a 100644 | 
| --- a/xfa/fxfa/app/xfa_ffcheckbutton.cpp | 
| +++ b/xfa/fxfa/app/xfa_ffcheckbutton.cpp | 
| @@ -20,7 +20,7 @@ | 
|  | 
| CXFA_FFCheckButton::CXFA_FFCheckButton(CXFA_FFPageView* pPageView, | 
| CXFA_WidgetAcc* pDataAcc) | 
| -    : CXFA_FFField(pPageView, pDataAcc), m_pOldDelegate(NULL) { | 
| +    : CXFA_FFField(pPageView, pDataAcc), m_pOldDelegate(nullptr) { | 
| m_rtCheckBox.Set(0, 0, 0, 0); | 
| } | 
| CXFA_FFCheckButton::~CXFA_FFCheckButton() {} | 
|  |