architectural changes to tex2lyx

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

diff --git a/src/mathed/math_matrixinset.h b/src/mathed/math_matrixinset.h
index 08c27545c2530674bab3082676e4683b323499a0..022ec3d30297465a31452a430f141d8d72bdf764 100644 (file)
--- a/src/mathed/math_matrixinset.h
+++ b/src/mathed/math_matrixinset.h
@@ -14,7 +14,7 @@ public:
        ///
        MathMatrixInset(string const & str);
        ///
-       InsetBase * clone() const;
+       virtual std::auto_ptr<InsetBase> clone() const;
        /// identifies MatrixInsets
        MathMatrixInset const * asMatrixInset() const { return this; }