Replace more static casts in FWL (part 3)

xfa/src/fwl/src/lightwidget/caret.cpp

Index: xfa/src/fwl/src/lightwidget/caret.cpp
diff --git a/xfa/src/fwl/src/lightwidget/caret.cpp b/xfa/src/fwl/src/lightwidget/caret.cpp
index 96be7dabbf4a52544348ec4aab2695c3ea6491c4..f0ee8a5166e2a801dbaa7743733cda3365624a01 100644
--- a/xfa/src/fwl/src/lightwidget/caret.cpp
+++ b/xfa/src/fwl/src/lightwidget/caret.cpp
@@ -25,16 +25,16 @@ FWL_ERR CFWL_Caret::Initialize(const CFWL_WidgetProperties* pProperties) {
   return FWL_ERR_Succeeded;
 }
 FWL_ERR CFWL_Caret::ShowCaret(FX_BOOL bFlag) {
-  return ((IFWL_Caret*)m_pIface)->ShowCaret(bFlag);
+  return static_cast<IFWL_Caret*>(m_pIface)->ShowCaret(bFlag);
 }
 FWL_ERR CFWL_Caret::GetFrequency(FX_DWORD& elapse) {
-  return ((IFWL_Caret*)m_pIface)->GetFrequency(elapse);
+  return static_cast<IFWL_Caret*>(m_pIface)->GetFrequency(elapse);
 }
 FWL_ERR CFWL_Caret::SetFrequency(FX_DWORD elapse) {
-  return ((IFWL_Caret*)m_pIface)->SetFrequency(elapse);
+  return static_cast<IFWL_Caret*>(m_pIface)->SetFrequency(elapse);
 }
 FWL_ERR CFWL_Caret::SetColor(CFX_Color crFill) {
-  return ((IFWL_Caret*)m_pIface)->SetColor(crFill);
+  return static_cast<IFWL_Caret*>(m_pIface)->SetColor(crFill);
 }
 CFWL_Caret::CFWL_Caret() {}
 CFWL_Caret::~CFWL_Caret() {}