architectural changes to tex2lyx

[lyx.git] / src / mathed / math_unknowninset.h

diff --git a/src/mathed/math_unknowninset.h b/src/mathed/math_unknowninset.h
index 49742422dd0b2ede65485941ae03e6f3795f9a39..d93cc83ea874bee804ce2594fd073dcd6e3dad61 100644 (file)
--- a/src/mathed/math_unknowninset.h
+++ b/src/mathed/math_unknowninset.h
@@ -13,7 +13,7 @@ public:
        explicit MathUnknownInset(string const & name,
                bool final = true, bool black = false);
        ///
-       InsetBase * clone() const;
+       virtual std::auto_ptr<InsetBase> clone() const;
        ///
        void metrics(MetricsInfo & mi, Dimension & dim) const;
        ///