tty: ^C while prompted re-displays last message

- attempt to determine if tty_wait_synch() is called during the ending
 dialogs due to an interrupt, and not re-display the previous message
 at the wrong time
- also, "msg_window display anomaly" fix was missing code to still treat ^P
 properly while in a prompt

win/tty/wintty.c

@@ -2218,7 +2218,7 @@ tty_wait_synch()
 	if(ttyDisplay->inmore) {
 	    addtopl("--More--");
 	    (void) fflush(stdout);
-	} else if(ttyDisplay->inread) {
+	} else if(ttyDisplay->inread > program_state.gameover) {
 	    /* this can only happen if we were reading and got interrupted */
 	    ttyDisplay->toplin = 3;
 	    /* do this twice; 1st time gets the Quit? message again */