message: block_motd: Update internal state when server has no MOTD
  Otherwise if we request MOTD and the server doesn't have one the module
  would have incorrect state.
diff: @@ -62,6 +62,12 @@ class CBlockMotd : public CModule {
  }
  StopTemporarilyAcceptingMotd();
  }
  +
  + if (sCmd == "422") {
  + // Server has no MOTD
  + StopTemporarilyAcceptingMotd();
  + }
  +
  return CONTINUE;
  }
  