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

forms/source/xforms/propertysetbase.cxx

@@ -49,6 +49,10 @@ using com::sun::star::lang::IllegalArgumentException;
 using com::sun::star::beans::Property;
 using com::sun::star::beans::XPropertySetInfo;
 
+PropertyAccessorBase::~PropertyAccessorBase()
+{
+}
+
 oslInterlockedCount SAL_CALL PropertyAccessorBase::acquire()
 {
     return ++m_refCount;

forms/source/xforms/propertysetbase.hxx

@@ -60,6 +60,7 @@ private:
 
 protected:
     PropertyAccessorBase() : m_refCount( 0 ) { }
+    virtual ~PropertyAccessorBase();
 
 public:
     virtual oslInterlockedCount SAL_CALL acquire();