fix compiler warning

Author: simonchatts

src/engraving/dom/note.h

@@ -380,7 +380,7 @@ class Note final : public EngravingItem
     EngravingItem* prevInEl(EngravingItem* e);
     EngravingItem* nextElement() override;
     EngravingItem* prevElement() override;
-    virtual EngravingItem* lastElementBeforeSegment();
+    EngravingItem* lastElementBeforeSegment();
     EngravingItem* nextSegmentElement() override;
     EngravingItem* prevSegmentElement() override;