### Describe the issue

bitcoin-qt: Debug pop-up window, Peers tab, right-click ban node for 1 hour, day, week, year does nothing. Disconnect node still works.
### Is the issue reproducible?

Yes.
#### List steps to reproduce below:
1. build master branch after commit https://github.com/bitcoin/bitcoin/commit/6423116741de2144872389cf63a621539ae79aaa
2. launch bitcoin-qt (on testnet is advisable)
3. test ban node list right-click functionality on Menu->Help->Debug pop-up window, Peers tab.

}
                    }
                    if (fDelete)
                    {
                        vNodesDisconnected.remove(pnode);
                        DeleteNode(pnode);
                    }
                }
            }
        }
        if(vNodes.size() != nPrevNodeCount) {
            nPrevNodeCount = vNodes.size();
            if(clientInterface)
                clientInterface->NotifyNumConnectionsChanged(nPrevNodeCount);
        }
        
        
        
        struct timeval timeout;
        timeout.tv_sec  = 0;
        timeout.tv_usec = 50000; 
        fd_set fdsetRecv;
        fd_set fdsetSend;
        fd_set fdsetError;
        FD_ZERO(&fdsetRecv);
        FD_ZERO(&fdsetSend);
        FD_ZERO(&fdsetError);
        SOCKET hSocketMax = 0;
        bool have_fds = false;
        BOOST_FOREACH(const ListenSocket& hListenSocket, vhListenSocket) {