rogue3: add the option of logging all games to a text file

rogue3/main.c

@@ -23,6 +23,7 @@ WINDOW *cw;                              /* Window that the player sees */
 WINDOW *hw;                              /* Used for the help command */
 WINDOW *mw;                              /* Used to store mosnters */
 FILE   *scoreboard = NULL;
+FILE   *logf = NULL;
 
 main(argc, argv, envp)
 char **argv;