X-Git-Url: https://git.donarmstrong.com/?p=mothur.git;a=blobdiff_plain;f=observable.h;h=05e537ac03c1e5ee6210f390e9c7c0945592b676;hp=616ef0d49817bfa739dc438dcc3464ea4e58c756;hb=df7e3ff9f68ef157b0328a2d353c3258c5d45d89;hpb=20a2d0350a737a434c89f303662d64a8eeea7b05

diff --git a/observable.h b/observable.h
index 616ef0d..05e537a 100644
--- 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() {}
 };
 
 /***********************************************************************/