added name option to read.tree for use in unifrac and parimony commands

[mothur.git] / dist.h

diff --git a/dist.h b/dist.h
index 4200bf9f291223d91758c482318415e8409a8e5e..6a461f53a4622dc3f775d1db2200e104255f0734 100644 (file)
--- a/dist.h
+++ b/dist.h
@@ -18,6 +18,7 @@ class Dist {
        
 public:
        Dist(){dist = 0;}
+       virtual ~Dist() {}
        virtual void calcDist(Sequence, Sequence) = 0;
        double getDist()        {       return dist;    }
 protected:
@@ -26,4 +27,4 @@ protected:
 
 /**************************************************************************************************/
 
-#endif
\ No newline at end of file
+#endif