L1TopoEvent: Fix clang warnings.

Classes with virtual methods should have virtual destructors.


Former-commit-id: cf5fe350

Trigger/TrigT1/L1Topo/L1TopoEvent/L1TopoEvent/BaseTOB.h

@@ -14,6 +14,7 @@ namespace TCS {
    class BaseTOB {
    public:
       BaseTOB(int roiWord);
+      virtual ~BaseTOB() {}
 
       virtual void print(std::ostream&) const = 0;