WaE: deleting object of abstract class type with non-virtual destructor

lotuswordpro/source/filter/lwptblformula.cxx

@@ -71,6 +71,10 @@
 #include <rtl/ustrbuf.hxx>
 #include <boost/scoped_array.hpp>
 
+LwpFormulaArg::~LwpFormulaArg()
+{
+}
+
 //////////////////////////////////////////////////////////////////
  LwpFormulaInfo::LwpFormulaInfo(LwpObjectHeader &objHdr, LwpSvStream* pStrm)
     : LwpCellList(objHdr, pStrm)

lotuswordpro/source/filter/lwptblformula.hxx

@@ -109,6 +109,7 @@ class LwpTableLayout;
 class LwpFormulaArg
 {
 public:
+    virtual ~LwpFormulaArg() = 0;
     virtual rtl::OUString ToString(LwpTableLayout* pCellsMap)=0;
     virtual String ToArgString(LwpTableLayout* pCellsMap){ return ToString(pCellsMap);}
 };