Only set buffer if it is not null.

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

diff --git a/src/mathed/InsetMathNumber.h b/src/mathed/InsetMathNumber.h
index e7481bb21f9674cdf0a83a7abbb1dc4aa6ed360d..ce5803c1869e2932d894dfa82b75f88adb5d644a 100644 (file)
--- a/src/mathed/InsetMathNumber.h
+++ b/src/mathed/InsetMathNumber.h
@@ -28,7 +28,7 @@ public:
        ///
        void metrics(MetricsInfo & mi, Dimension & dim) const override;
        ///
-       void draw(PainterInfo &, int x, int y) const;
+       void draw(PainterInfo &, int x, int y) const override;
        ///
        docstring str() const { return str_; }
        ///