Remove redundant casts, part 4

fpdfsdk/formfiller/cffl_iformfiller.cpp

Index: fpdfsdk/formfiller/cffl_iformfiller.cpp
diff --git a/fpdfsdk/formfiller/cffl_iformfiller.cpp b/fpdfsdk/formfiller/cffl_iformfiller.cpp
index 107197fa7271b7ca2627867a48de58c8d2c8c44c..c63ee0e8c404280de99a7b6b0937c56e1bfea326 100644
--- a/fpdfsdk/formfiller/cffl_iformfiller.cpp
+++ b/fpdfsdk/formfiller/cffl_iformfiller.cpp
@@ -709,10 +709,8 @@ void CFFL_IFormFiller::OnCalculate(CPDFSDK_Widget* pWidget,
   if (!m_bNotifying) {
     ASSERT(pWidget);
     CPDFSDK_Document* pDocument = pPageView->GetSDKDocument();
-    CPDFSDK_InterForm* pInterForm =
-        (CPDFSDK_InterForm*)pDocument->GetInterForm();
+    CPDFSDK_InterForm* pInterForm = pDocument->GetInterForm();
     pInterForm->OnCalculate(pWidget->GetFormField());
-
     m_bNotifying = FALSE;
   }
 }
@@ -724,8 +722,7 @@ void CFFL_IFormFiller::OnFormat(CPDFSDK_Widget* pWidget,
   if (!m_bNotifying) {
     ASSERT(pWidget);
     CPDFSDK_Document* pDocument = pPageView->GetSDKDocument();
-    CPDFSDK_InterForm* pInterForm =
-        (CPDFSDK_InterForm*)pDocument->GetInterForm();
+    CPDFSDK_InterForm* pInterForm = pDocument->GetInterForm();
 
     FX_BOOL bFormated = FALSE;
     CFX_WideString sValue =