changing command name classify.shared to classifyrf.shared

[mothur.git] / observable.h

diff --git a/observable.h b/observable.h
index 616ef0d49817bfa739dc438dcc3464ea4e58c756..05e537ac03c1e5ee6210f390e9c7c0945592b676 100644 (file)
--- a/observable.h
+++ b/observable.h
@@ -4,7 +4,6 @@
 
 #include "collectdisplay.h"
 
-using namespace std;
 
 /***********************************************************************/
 
@@ -14,6 +13,7 @@ public:
        virtual void registerDisplay(Display*) = 0;
        virtual void removeDisplay(Display*) = 0;
        virtual void notifyDisplays() = 0;      
+       virtual ~Observable() {}
 };
 
 /***********************************************************************/