Commited a possible fix to the screen update bug.

git-svn-id: svn://rakshasa.no/libtorrent/trunk/rtorrent@258 e378c898-3ddf-0310-93e7-cc216c733640

src/ui/download.h

@@ -36,6 +36,9 @@ public:
   void             disable();
 
 private:
+  Download(const Download&);
+  void operator = (const Download&);
+
   void             receive_next();
   void             receive_prev();
 

src/ui/download_list.h

@@ -30,6 +30,9 @@ public:
   void             disable();
 
 private:
+  DownloadList(const DownloadList&);
+  void operator = (const DownloadList&);
+
   void             receive_next();
   void             receive_prev();