avoid dynamic_cast

Change-Id: I9f64eac95b39adc649b2e63cd5abdd6e7a448ee6

svx/source/svdraw/svdedxv.cxx

@@ -216,9 +216,10 @@ void SdrObjEditView::TakeActionRect(Rectangle& rRect) const
 void SdrObjEditView::Notify(SfxBroadcaster& rBC, const SfxHint& rHint)
 {
     SdrGlueEditView::Notify(rBC,rHint);
+    if (pTextEditOutliner!=nullptr) {
         // change of printer while editing
         const SdrHint* pSdrHint = dynamic_cast<const SdrHint*>(&rHint);
-    if (pSdrHint!=nullptr && pTextEditOutliner!=nullptr) {
+        if (pSdrHint!=nullptr) {
             SdrHintKind eKind=pSdrHint->GetKind();
             if (eKind==SdrHintKind::RefDeviceChange) {
                 pTextEditOutliner->SetRefDevice(mpModel->GetRefDevice());
@@ -233,6 +234,7 @@ void SdrObjEditView::Notify(SfxBroadcaster& rBC, const SfxHint& rHint)
                 pTextEditOutliner->ClearModifyFlag();
             }
         }
+    }
 }
 
 void SdrObjEditView::ModelHasChanged()