XFA: Fix a bunch of pointless returns.

xfa/src/fwl/src/basewidget/fwl_monthcalendarimp.cpp

Index: xfa/src/fwl/src/basewidget/fwl_monthcalendarimp.cpp
diff --git a/xfa/src/fwl/src/basewidget/fwl_monthcalendarimp.cpp b/xfa/src/fwl/src/basewidget/fwl_monthcalendarimp.cpp
index 3e038299a812a78471e2eb65feb98757cbcf6624..044961ab9c8e215988189e8f80cc34fb25465de8 100644
--- a/xfa/src/fwl/src/basewidget/fwl_monthcalendarimp.cpp
+++ b/xfa/src/fwl/src/basewidget/fwl_monthcalendarimp.cpp
@@ -974,9 +974,10 @@ FWL_ERR CFWL_MonthCalendarImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
                                                     const CFX_Matrix* pMatrix) {
   return m_pOwner->DrawWidget(pGraphics, pMatrix);
 }
+
 void CFWL_MonthCalendarImpDelegate::OnActivate(CFWL_Message* pMsg) {
-  return;
 }
+
 void CFWL_MonthCalendarImpDelegate::OnFocusChanged(CFWL_Message* pMsg,
                                                    FX_BOOL bSet) {
   if (bSet) {