fixed a lot of issues, now successfully runs the test with --enable-pedantic; refs #8

test/smartpointer_test.cxx

@@ -40,7 +40,12 @@ public:
   Content(int& drop): _drop(drop) {}
   virtual ~Content() {++_drop;}
 };
-class A: public Content {public: A(int& d): Content(d) {} virtual void fn() {}};
+class A: public Content {
+  public:
+    A(int& d): Content(d) {}
+    virtual ~A() {}
+    virtual void fn() {}
+};
 class B: public A {public: B(int& d): A(d) {}};
 class C: public A {public: C(int& d): A(d) {}};
 class SmartPointerTest: