Fix for C343-175, chat message for tame prisoner

* C343-175:  Chatting to hostile prisoners may give an inappropriate message.
             Author:  Bulwersator
             Source:  https://github.com/Bulwersator/UnNetHackPlus/commit/541d0b417bb81df10b4486b895ca78f5bb938247
             Comment:  Actually tame prisoners give the inappropriate message.