| Index: fpdfsdk/fsdk_actionhandler.cpp | 
| diff --git a/fpdfsdk/fsdk_actionhandler.cpp b/fpdfsdk/fsdk_actionhandler.cpp | 
| index 912bc40c7fadebd032dd3e15d45a692e652b5efd..bc6bd2826cda6b0509814e6d2274b38293bd7074 100644 | 
| --- a/fpdfsdk/fsdk_actionhandler.cpp | 
| +++ b/fpdfsdk/fsdk_actionhandler.cpp | 
| @@ -223,7 +223,7 @@ FX_BOOL CPDFSDK_ActionHandler::IsValidField(CPDFSDK_Document* pDocument, | 
|  | 
| CPDFSDK_InterForm* pInterForm = pDocument->GetInterForm(); | 
| CPDF_InterForm* pPDFInterForm = pInterForm->GetInterForm(); | 
| -  return pPDFInterForm->GetFieldByDict(pFieldDict) != NULL; | 
| +  return !!pPDFInterForm->GetFieldByDict(pFieldDict); | 
| } | 
|  | 
| FX_BOOL CPDFSDK_ActionHandler::ExecuteFieldAction( | 
|  |