saving message history (trunk only)

On September 11, 2003 "<Someone>" wrote:
> When we're going to have a different save file format, could
> the last messages in the message history be saved as well, so
> ^P would work the same before and after saving (possibly
> including a few less messages to make room for the startup
> messages?).

This seemed like a reasonable request. This patch:
- adds the core support required.
- adds the tty supporting routines.

win/Qt/qt_win.cpp

@@ -5285,6 +5285,8 @@ struct window_procs Qt_procs = {
     genl_outrip,
 #endif
     genl_preference_update,
+    genl_getmsghistory,
+    genl_putmsghistory,
 };
 
 extern "C" void play_usersound(const char* filename, int volume)