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-rw-r--r--sdext/source/pdfimport/tree/treevisiting.hxx3
1 files changed, 3 insertions, 0 deletions
diff --git a/sdext/source/pdfimport/tree/treevisiting.hxx b/sdext/source/pdfimport/tree/treevisiting.hxx
index 2da532e03e4a..6af5402af994 100644
--- a/sdext/source/pdfimport/tree/treevisiting.hxx
+++ b/sdext/source/pdfimport/tree/treevisiting.hxx
@@ -75,6 +75,9 @@ namespace pdfi
struct ElementTreeVisitable
{
virtual void visitedBy( ElementTreeVisitor&, const std::list< Element* >::const_iterator& rParentIt ) = 0;
+
+ protected:
+ ~ElementTreeVisitable() {}
};
typedef boost::shared_ptr<ElementTreeVisitable> ElementTreeVisitableSharedPtr;
}