another wxUSE_DRAG_AND_DROP==0 compilation fix

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@58593 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/dataview.h

@@ -787,9 +787,11 @@ public:
     wxPoint GetPosition() const { return m_pos; }
     void SetPosition( int x, int y ) { m_pos.x = x; m_pos.y = y; }
 
+#if wxUSE_DRAG_AND_DROP
     // For drag operations
     void SetDataObject( wxDataObject *obj ) { m_dataObject = obj; }
     wxDataObject *GetDataObject() const { return m_dataObject; }
+#endif // wxUSE_DRAG_AND_DROP
 
     // For drop operations
     void SetDataFormat( const wxDataFormat &format ) { m_dataFormat = format; }