1. removed wxObject::CopyObject() and Clone() - some objects just can't be

copied
2. made wxEvent::Clone() pure virtual and added missing Clone()s to the
   other event classes which this changes has helped to discover


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@12566 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/http.cpp

@@ -185,11 +185,11 @@ bool wxHTTP::Connect(wxSockAddress& addr, bool WXUNUSED(wait))
 {
   if (m_addr) {
     delete m_addr;
-    m_addr = NULL;
     Close();
   }
 
-  m_addr = (wxSockAddress *) addr.Clone();
+  m_addr = addr.Clone();
+
   return TRUE;
 }