### 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.

FD_SET(hListenSocket.socket, &fdsetRecv);
            hSocketMax = std::max(hSocketMax, hListenSocket.socket);
            have_fds = true;
        }
        {
            LOCK(cs_vNodes);
            BOOST_FOREACH(CNode* pnode, vNodes)
            {
                if (pnode->hSocket == INVALID_SOCKET)
                    continue;
                FD_SET(pnode->hSocket, &fdsetError);
                hSocketMax = std::max(hSocketMax, pnode->hSocket);
                have_fds = true;