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-rw-r--r--chart2/source/view/inc/MinimumAndMaximumSupplier.hxx3
1 files changed, 3 insertions, 0 deletions
diff --git a/chart2/source/view/inc/MinimumAndMaximumSupplier.hxx b/chart2/source/view/inc/MinimumAndMaximumSupplier.hxx
index b84fba786baf..e0c5bd5f5c48 100644
--- a/chart2/source/view/inc/MinimumAndMaximumSupplier.hxx
+++ b/chart2/source/view/inc/MinimumAndMaximumSupplier.hxx
@@ -65,6 +65,9 @@ public:
//return a constant out of ::com::sun::star::chart::TimeUnit that allows to display the smallest distance between occuring dates
virtual long calculateTimeResolutionOnXAxis() = 0;
virtual void setTimeResolutionOnXAxis( long nTimeResolution, const Date& rNullDate ) = 0;
+
+protected:
+ ~MinimumAndMaximumSupplier() {}
};
class MergedMinimumAndMaximumSupplier : public MinimumAndMaximumSupplier