Remove C-Style casts in fwl_{barcode,caret,checkbox,combobox}imp.cpp

xfa/src/fwl/src/basewidget/fwl_caretimp.cpp

Index: xfa/src/fwl/src/basewidget/fwl_caretimp.cpp
diff --git a/xfa/src/fwl/src/basewidget/fwl_caretimp.cpp b/xfa/src/fwl/src/basewidget/fwl_caretimp.cpp
index 87c0ce8c59bcc3dd18553a931d5ff61ea8e494ea..98bcbb59e29303615d610aac8408132d27f81be8 100644
--- a/xfa/src/fwl/src/basewidget/fwl_caretimp.cpp
+++ b/xfa/src/fwl/src/basewidget/fwl_caretimp.cpp
@@ -98,7 +98,7 @@ FWL_ERR CFWL_CaretImp::ShowCaret(FX_BOOL bFlag) {
     m_hTimer = NULL;
   }
   if (bFlag) {
-    m_hTimer = FWL_StartTimer((IFWL_Timer*)m_pTimer, m_dwElapse);
+    m_hTimer = FWL_StartTimer(m_pTimer, m_dwElapse);
   }
   return SetStates(FWL_WGTSTATE_Invisible, !bFlag);
 }