wxFTP::Close() shouldn't hide base wxSocket function

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@6863 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/protocol/ftp.h

@@ -32,8 +32,8 @@ public:
   bool Connect(wxSockAddress& addr, bool wait = TRUE);
   bool Connect(const wxString& host);
 
-  // [forcibly] close the connection
-  bool Close(bool force = FALSE);
+  // close the connection
+  virtual bool Close();
 
   void SetUser(const wxString& user) { m_user = user; }
   void SetPassword(const wxString& passwd) { m_passwd = passwd; }